diff --git a/apps/code/catalog.de.i18n b/apps/code/catalog.de.i18n
index 10ad38dae..84088c587 100644
--- a/apps/code/catalog.de.i18n
+++ b/apps/code/catalog.de.i18n
@@ -20,6 +20,7 @@ PythonAtanh = "Arc hyperbolic tangent"
 PythonBin = "Convert integer to binary"
 PythonCeil = "Ceiling"
 PythonCmathFunction = "Cmath module function prefix"
+PythonChoice = "Random choice in array"
 PythonColor = "Define a rgb color"
 PythonComplex = "Return a+ib"
 PythonCopySign = "Return x with the sign of y"
@@ -32,6 +33,7 @@ PythonConstantE = "2.718281828459046"
 PythonErf = "Error function"
 PythonErfc = "Complementary error function"
 PythonExp = "Exponential function"
+PythonUrandomFunction = "Préfixe fonction module urandom"
 PythonExpm1 = "Compute exp(x)-1"
 PythonFabs = "Absolute value"
 PythonFloor = "Floor"
@@ -42,9 +44,11 @@ PythonGetPixel = "Return pixel (x,y) color"
 PythonHex = "Convert integer to hexadecimal"
 PythonImportCmath = "Import cmath module"
 PythonImportKandinsky = "Import kandinsky module"
+PythonImportUrandom = "Import urandom module"
 PythonImportMath = "Import math module"
 PythonImportFromCmath = "Import cmath module"
 PythonImportFromKandinsky = "Import kandinsky module"
+PythonImportFromUrandom = "Import urandom module"
 PythonImportFromMath = "Import math module"
 PythonInt = "Convert x to an integer"
 PythonIsFinite = "Check if x is finite"
@@ -68,10 +72,14 @@ PythonPolar = "z in polar coordinates"
 PythonPower = "x raised to the power y"
 PythonPrint = "Print object"
 PythonRadians = "Convert x from degrees to radians"
+PythonRandom = "Random float"
+PythonRandint = "Random integer"
+PythonRandrange = "Random integer in range"
 PythonRangeStartStop = "List from start to stop-1"
 PythonRangeStop = "List from 0 to stop-1"
 PythonRect = "z in cartesian coordinates"
 PythonRound = "Round to n digits"
+PythonSeed = "Set random seed"
 PythonSetPixel = "Color pixel (x,y)"
 PythonSin = "Sine"
 PythonSinh = "Hyperbolic sine"
@@ -81,3 +89,4 @@ PythonSum = "Sum the items of a list"
 PythonTan = "Tangent"
 PythonTanh = "Hyperbolic tangent"
 PythonTrunc = "x truncated to an integer"
+PythonUrandomFunction = "Urandom module function prefix"
diff --git a/apps/code/catalog.en.i18n b/apps/code/catalog.en.i18n
index 10ad38dae..5fa47c851 100644
--- a/apps/code/catalog.en.i18n
+++ b/apps/code/catalog.en.i18n
@@ -19,6 +19,7 @@ PythonAtan2 = "Return arctan(y/x)"
 PythonAtanh = "Arc hyperbolic tangent"
 PythonBin = "Convert integer to binary"
 PythonCeil = "Ceiling"
+PythonChoice = "Random choice in array"
 PythonCmathFunction = "Cmath module function prefix"
 PythonColor = "Define a rgb color"
 PythonComplex = "Return a+ib"
@@ -42,9 +43,11 @@ PythonGetPixel = "Return pixel (x,y) color"
 PythonHex = "Convert integer to hexadecimal"
 PythonImportCmath = "Import cmath module"
 PythonImportKandinsky = "Import kandinsky module"
+PythonImportUrandom = "Import urandom module"
 PythonImportMath = "Import math module"
 PythonImportFromCmath = "Import cmath module"
 PythonImportFromKandinsky = "Import kandinsky module"
+PythonImportFromUrandom = "Import uradom module"
 PythonImportFromMath = "Import math module"
 PythonInt = "Convert x to an integer"
 PythonIsFinite = "Check if x is finite"
@@ -68,10 +71,14 @@ PythonPolar = "z in polar coordinates"
 PythonPower = "x raised to the power y"
 PythonPrint = "Print object"
 PythonRadians = "Convert x from degrees to radians"
+PythonRandom = "Random float"
+PythonRandint = "Random integer"
+PythonRandrange = "Random integer in range"
 PythonRangeStartStop = "List from start to stop-1"
 PythonRangeStop = "List from 0 to stop-1"
 PythonRect = "z in cartesian coordinates"
 PythonRound = "Round to n digits"
+PythonSeed = "Set random seed"
 PythonSetPixel = "Color pixel (x,y)"
 PythonSin = "Sine"
 PythonSinh = "Hyperbolic sine"
@@ -81,3 +88,4 @@ PythonSum = "Sum the items of a list"
 PythonTan = "Tangent"
 PythonTanh = "Hyperbolic tangent"
 PythonTrunc = "x truncated to an integer"
+PythonUrandomFunction = "Urandom module function prefix"
\ No newline at end of file
diff --git a/apps/code/catalog.es.i18n b/apps/code/catalog.es.i18n
index 10ad38dae..28a374b32 100644
--- a/apps/code/catalog.es.i18n
+++ b/apps/code/catalog.es.i18n
@@ -19,6 +19,7 @@ PythonAtan2 = "Return arctan(y/x)"
 PythonAtanh = "Arc hyperbolic tangent"
 PythonBin = "Convert integer to binary"
 PythonCeil = "Ceiling"
+PythonChoice = "Random choice in array"
 PythonCmathFunction = "Cmath module function prefix"
 PythonColor = "Define a rgb color"
 PythonComplex = "Return a+ib"
@@ -42,9 +43,11 @@ PythonGetPixel = "Return pixel (x,y) color"
 PythonHex = "Convert integer to hexadecimal"
 PythonImportCmath = "Import cmath module"
 PythonImportKandinsky = "Import kandinsky module"
+PythonImportUrandom = "Import urandom module"
 PythonImportMath = "Import math module"
 PythonImportFromCmath = "Import cmath module"
 PythonImportFromKandinsky = "Import kandinsky module"
+PythonImportFromUrandom = "Import urandom module"
 PythonImportFromMath = "Import math module"
 PythonInt = "Convert x to an integer"
 PythonIsFinite = "Check if x is finite"
@@ -68,10 +71,14 @@ PythonPolar = "z in polar coordinates"
 PythonPower = "x raised to the power y"
 PythonPrint = "Print object"
 PythonRadians = "Convert x from degrees to radians"
+PythonRandom = "Random float"
+PythonRandint = "Random integer"
+PythonRandrange = "Random integer in range"
 PythonRangeStartStop = "List from start to stop-1"
 PythonRangeStop = "List from 0 to stop-1"
 PythonRect = "z in cartesian coordinates"
 PythonRound = "Round to n digits"
+PythonSeed = "Set random seed"
 PythonSetPixel = "Color pixel (x,y)"
 PythonSin = "Sine"
 PythonSinh = "Hyperbolic sine"
@@ -81,3 +88,4 @@ PythonSum = "Sum the items of a list"
 PythonTan = "Tangent"
 PythonTanh = "Hyperbolic tangent"
 PythonTrunc = "x truncated to an integer"
+PythonUrandomFunction = "Urandom module function prefix"
\ No newline at end of file
diff --git a/apps/code/catalog.fr.i18n b/apps/code/catalog.fr.i18n
index bb2d43644..5c1816d95 100644
--- a/apps/code/catalog.fr.i18n
+++ b/apps/code/catalog.fr.i18n
@@ -28,6 +28,7 @@ PythonCosh = "Cosinus hyperbolique"
 PythonDegrees = "Conversion de radians en degrés"
 PythonDivMod = "Quotient et reste"
 PythonDrawString = "Affiche un texte au pixel (x,y)"
+PythonChoice = "Choix aléatoire dans un tableau"
 PythonConstantE = "2.718281828459045"
 PythonErf = "Fonction d'erreur"
 PythonErfc = "Fonction d'erreur complémentaire"
@@ -42,9 +43,11 @@ PythonGetPixel = "Renvoie la couleur du pixel (x,y)"
 PythonHex = "Conversion entier en hexadécimal"
 PythonImportCmath = "Importation du module cmath"
 PythonImportKandinsky = "Importation du module kandinsky"
+PythonImportUrandom = "Importation du module urandom"
 PythonImportMath = "Importation du module math"
 PythonImportFromCmath = "Importation du module cmath"
 PythonImportFromKandinsky = "Importation du module kandinsky"
+PythonImportFromUrandom = "Importation du module urandom"
 PythonImportFromMath = "Importation du module math"
 PythonInt = "Conversion en entier"
 PythonIsFinite = "Teste si x est fini"
@@ -68,10 +71,14 @@ PythonPolar = "Conversion en polaire"
 PythonPower = "x à la puissance y"
 PythonPrint = "Affiche l'objet"
 PythonRadians = "Conversion de degrés en radians"
+PythonRandom = "Nombre décimal aléatoire"
+PythonRandint = "Entier aléatoire"
+PythonRandrange = "Entier aléatoire dans un intervalle"
 PythonRangeStartStop = "Liste de start à stop-1"
 PythonRangeStop = "Liste de 0 à stop-1"
 PythonRect = "Conversion en algébrique"
 PythonRound = "Arrondi n chiffres"
+PythonSeed = "Semence du générateur aléatoire"
 PythonSetPixel = "Colore le pixel (x,y)"
 PythonSin = "Sinus"
 PythonSinh = "Sinus hyperbolique"
@@ -81,3 +88,4 @@ PythonSum = "Somme des éléments d'une liste"
 PythonTan = "Tangente"
 PythonTanh = "Tangente hyperbolique"
 PythonTrunc = "Troncature entière"
+PythonUrandomFunction = "Préfixe fonction module urandom"
\ No newline at end of file
diff --git a/apps/code/catalog.pt.i18n b/apps/code/catalog.pt.i18n
index ce4f9b340..163b6da77 100644
--- a/apps/code/catalog.pt.i18n
+++ b/apps/code/catalog.pt.i18n
@@ -19,6 +19,7 @@ PythonAtan2 = "Return arctan(y/x)"
 PythonAtanh = "Arc hyperbolic tangent"
 PythonBin = "Convert integer to binary"
 PythonCeil = "Ceiling"
+PythonChoice = "Random choice in array"
 PythonCmathFunction = "Cmath module function prefix"
 PythonColor = "Define a rgb color"
 PythonComplex = "Return a+ib"
@@ -42,9 +43,11 @@ PythonGetPixel = "Return pixel (x,y) color"
 PythonHex = "Convert integer to hexadecimal"
 PythonImportCmath = "Import cmath module"
 PythonImportKandinsky = "Import kandinsky module"
+PythonImportUrandom = "Import urandom module"
 PythonImportMath = "Import math module"
 PythonImportFromCmath = "Import cmath module"
 PythonImportFromKandinsky = "Import kandinsky module"
+PythonImportFromUrandom = "Import urandom module"
 PythonImportFromMath = "Import math module"
 PythonInt = "Convert x to an integer"
 PythonIsFinite = "Check if x is finite"
@@ -68,10 +71,14 @@ PythonPolar = "z in polar coordinates"
 PythonPower = "x raised to the power y"
 PythonPrint = "Print object"
 PythonRadians = "Convert x from degrees to radians"
+PythonRandom = "Random float"
+PythonRandint = "Random integer"
+PythonRandrange = "Random integer in range"
 PythonRangeStartStop = "List from start to stop-1"
 PythonRangeStop = "List from 0 to stop-1"
 PythonRect = "z in cartesian coordinates"
 PythonRound = "Round to n digits"
+PythonSeed = "Set random seed"
 PythonSetPixel = "Color pixel (x,y)"
 PythonSin = "Sine"
 PythonSinh = "Hyperbolic sine"
@@ -81,3 +88,4 @@ PythonSum = "Sum the items of a list"
 PythonTan = "Tangent"
 PythonTanh = "Hyperbolic tangent"
 PythonTrunc = "x truncated to an integer"
+PythonUrandomFunction = "Urandom module function prefix"
\ No newline at end of file
diff --git a/apps/code/catalog.universal.i18n b/apps/code/catalog.universal.i18n
index 819906c7c..8b5166781 100644
--- a/apps/code/catalog.universal.i18n
+++ b/apps/code/catalog.universal.i18n
@@ -17,6 +17,7 @@ PythonCommandAtan2 = "atan2(y,x)"
 PythonCommandAtanh = "atanh(x)"
 PythonCommandBin = "bin(x)"
 PythonCommandCeil = "ceil(x)"
+PythonCommandChoice = "choice([])"
 PythonCommandCmathFunction = "cmath.function"
 PythonCommandCmathFunctionWithoutArg = "cmath."
 PythonCommandColor = "color(r,g,b)"
@@ -43,9 +44,11 @@ PythonCommandGetPixel = "get_pixel(x,y)"
 PythonCommandImportFromCmath = "from cmath import *"
 PythonCommandImportFromMath = "from math import *"
 PythonCommandImportFromKandinsky = "from kandinsky import *"
+PythonCommandImportFromUrandom = "from urandom import *"
 PythonCommandHex = "hex(x)"
 PythonCommandImportCmath = "import cmath"
 PythonCommandImportKandinsky = "import kandinsky"
+PythonCommandImportUrandom = "import urandom"
 PythonCommandImportMath = "import math"
 PythonCommandInt = "int(x)"
 PythonCommandIsFinite = "isfinite(x)"
@@ -72,10 +75,14 @@ PythonCommandPolar = "polar(z)"
 PythonCommandPower = "pow(x,y)"
 PythonCommandPrint = "print(object)"
 PythonCommandRadians = "radians(x)"
+PythonCommandRandom = "random()"
+PythonCommandRandint = "randint(a,b)"
+PythonCommandRandrange = "randrange(a,b,c)"
 PythonCommandRangeStartStop = "range(start, stop)"
 PythonCommandRangeStop = "range(stop)"
 PythonCommandRect = "rect(r, arg)"
 PythonCommandRound = "round(x, n)"
+PythonCommandSeed = "seed(x)"
 PythonCommandSetPixel = "set_pixel(x,y,color)"
 PythonCommandSin = "sin(x)"
 PythonCommandSinComplex = "sin(z)"
@@ -91,3 +98,5 @@ PythonCommandImag = "z.imag"
 PythonCommandReal = "z.real"
 PythonCommandImagWithoutArg = "().imag"
 PythonCommandRealWithoutArg = "().real"
+PythonCommandUrandomFunction = "urandom.function"
+PythonCommandUrandomFunctionWithoutArg = "unrandom."
diff --git a/apps/code/python_toolbox.cpp b/apps/code/python_toolbox.cpp
index 82c68d0bc..c9d7d80ce 100644
--- a/apps/code/python_toolbox.cpp
+++ b/apps/code/python_toolbox.cpp
@@ -8,17 +8,18 @@ extern "C" {
 
 namespace Code {
 
-static constexpr int catalogChildrenCount = 83;
+static constexpr int catalogChildrenCount = 91;
 static constexpr int MathModuleChildrenCount = 43;
 static constexpr int KandinskyModuleChildrenCount = 7;
 static constexpr int CMathModuleChildrenCount = 13;
+static constexpr int UrandomModuleChildrenCount = 8;
 static constexpr int conditionsChildrenCount = 9;
 static constexpr int forLoopChildrenCount = 4;
 static constexpr int functionsChildrenCount = 2;
 static constexpr int ifStatementChildrenCount = 5;
 static constexpr int loopsAndTestsChildrenCount = 4;
 static constexpr int menuChildrenCount = 4;
-static constexpr int modulesChildrenCount = 3;
+static constexpr int modulesChildrenCount = 4;
 static constexpr int whileLoopChildrenCount = 1;
 
 
@@ -109,6 +110,17 @@ const ToolboxMessageTree KandinskyModuleChildren[KandinskyModuleChildrenCount] =
   ToolboxMessageTree(I18n::Message::PythonCommandColor, I18n::Message::PythonColor, I18n::Message::PythonCommandColor),
   ToolboxMessageTree(I18n::Message::PythonCommandDrawString, I18n::Message::PythonDrawString, I18n::Message::PythonCommandDrawString)};
 
+const ToolboxMessageTree UrandomModuleChildren[UrandomModuleChildrenCount] = {
+  ToolboxMessageTree(I18n::Message::PythonCommandImportUrandom, I18n::Message::PythonImportUrandom, I18n::Message::PythonCommandImportUrandom),
+  ToolboxMessageTree(I18n::Message::PythonCommandImportFromUrandom, I18n::Message::PythonImportFromUrandom, I18n::Message::PythonCommandImportFromUrandom),
+  ToolboxMessageTree(I18n::Message::PythonCommandUrandomFunction, I18n::Message::PythonUrandomFunction, I18n::Message::PythonCommandUrandomFunctionWithoutArg),
+  ToolboxMessageTree(I18n::Message::PythonCommandRandom, I18n::Message::PythonRandom, I18n::Message::PythonCommandRandom),
+  ToolboxMessageTree(I18n::Message::PythonCommandRandint, I18n::Message::PythonRandint, I18n::Message::PythonCommandRandint),
+  ToolboxMessageTree(I18n::Message::PythonCommandRandrange, I18n::Message::PythonRandrange, I18n::Message::PythonCommandRandrange),
+  ToolboxMessageTree(I18n::Message::PythonCommandSeed, I18n::Message::PythonSeed, I18n::Message::PythonCommandSeed),
+  ToolboxMessageTree(I18n::Message::PythonCommandChoice, I18n::Message::PythonChoice, I18n::Message::PythonCommandChoice)};
+      
+
 const ToolboxMessageTree CMathModuleChildren[CMathModuleChildrenCount] = {
   ToolboxMessageTree(I18n::Message::PythonCommandImportCmath, I18n::Message::PythonImportCmath, I18n::Message::PythonCommandImportCmath),
   ToolboxMessageTree(I18n::Message::PythonCommandImportFromCmath, I18n::Message::PythonImportFromCmath, I18n::Message::PythonCommandImportFromCmath),
@@ -127,7 +139,8 @@ const ToolboxMessageTree CMathModuleChildren[CMathModuleChildrenCount] = {
 const ToolboxMessageTree modulesChildren[modulesChildrenCount] = {
   ToolboxMessageTree(I18n::Message::MathModule, I18n::Message::Default, I18n::Message::Default, MathModuleChildren, MathModuleChildrenCount),
   ToolboxMessageTree(I18n::Message::CmathModule, I18n::Message::Default, I18n::Message::Default, CMathModuleChildren, CMathModuleChildrenCount),
-  ToolboxMessageTree(I18n::Message::KandinskyModule, I18n::Message::Default, I18n::Message::Default, KandinskyModuleChildren, KandinskyModuleChildrenCount)};
+  ToolboxMessageTree(I18n::Message::KandinskyModule, I18n::Message::Default, I18n::Message::Default, KandinskyModuleChildren, KandinskyModuleChildrenCount),
+  ToolboxMessageTree(I18n::Message::UrandomModule, I18n::Message::Default, I18n::Message::Default, UrandomModuleChildren, UrandomModuleChildrenCount)};
 
 const ToolboxMessageTree catalogChildren[catalogChildrenCount] = {
   ToolboxMessageTree(I18n::Message::PythonCommandPound, I18n::Message::PythonPound, I18n::Message::PythonCommandPound),
@@ -149,6 +162,7 @@ const ToolboxMessageTree catalogChildren[catalogChildrenCount] = {
   ToolboxMessageTree(I18n::Message::PythonCommandAtanh, I18n::Message::PythonAtanh, I18n::Message::PythonCommandAtanh),
   ToolboxMessageTree(I18n::Message::PythonCommandBin, I18n::Message::PythonBin, I18n::Message::PythonCommandBin),
   ToolboxMessageTree(I18n::Message::PythonCommandCeil, I18n::Message::PythonCeil, I18n::Message::PythonCommandCeil),
+  ToolboxMessageTree(I18n::Message::PythonCommandChoice, I18n::Message::PythonChoice, I18n::Message::PythonCommandChoice),
   ToolboxMessageTree(I18n::Message::PythonCommandCmathFunction, I18n::Message::PythonCmathFunction, I18n::Message::PythonCommandCmathFunctionWithoutArg),
   ToolboxMessageTree(I18n::Message::PythonCommandColor, I18n::Message::PythonColor, I18n::Message::PythonCommandColor),
   ToolboxMessageTree(I18n::Message::PythonCommandComplex, I18n::Message::PythonComplex, I18n::Message::PythonCommandComplex),
@@ -170,12 +184,14 @@ const ToolboxMessageTree catalogChildren[catalogChildrenCount] = {
   ToolboxMessageTree(I18n::Message::PythonCommandImportFromCmath, I18n::Message::PythonImportFromCmath, I18n::Message::PythonCommandImportFromCmath),
   ToolboxMessageTree(I18n::Message::PythonCommandImportFromKandinsky, I18n::Message::PythonImportFromKandinsky, I18n::Message::PythonCommandImportFromKandinsky),
   ToolboxMessageTree(I18n::Message::PythonCommandImportFromMath, I18n::Message::PythonImportFromMath, I18n::Message::PythonCommandImportFromMath),
+  ToolboxMessageTree(I18n::Message::PythonCommandImportFromUrandom, I18n::Message::PythonImportFromUrandom, I18n::Message::PythonCommandImportFromUrandom),
   ToolboxMessageTree(I18n::Message::PythonCommandGamma, I18n::Message::PythonGamma, I18n::Message::PythonCommandGamma),
   ToolboxMessageTree(I18n::Message::PythonCommandGetPixel, I18n::Message::PythonGetPixel, I18n::Message::PythonCommandGetPixel),
   ToolboxMessageTree(I18n::Message::PythonCommandHex, I18n::Message::PythonHex, I18n::Message::PythonCommandHex),
   ToolboxMessageTree(I18n::Message::PythonCommandImportCmath, I18n::Message::PythonImportCmath, I18n::Message::PythonCommandImportCmath),
   ToolboxMessageTree(I18n::Message::PythonCommandImportKandinsky, I18n::Message::PythonImportKandinsky, I18n::Message::PythonCommandImportKandinsky),
   ToolboxMessageTree(I18n::Message::PythonCommandImportMath, I18n::Message::PythonImportMath, I18n::Message::PythonCommandImportMath),
+  ToolboxMessageTree(I18n::Message::PythonCommandImportUrandom, I18n::Message::PythonImportUrandom, I18n::Message::PythonCommandImportUrandom),
   ToolboxMessageTree(I18n::Message::PythonCommandInt, I18n::Message::PythonInt, I18n::Message::PythonCommandInt),
   ToolboxMessageTree(I18n::Message::PythonCommandIsFinite, I18n::Message::PythonIsFinite, I18n::Message::PythonCommandIsFinite),
   ToolboxMessageTree(I18n::Message::PythonCommandIsInfinite, I18n::Message::PythonIsInfinite, I18n::Message::PythonCommandIsInfinite),
@@ -198,11 +214,15 @@ const ToolboxMessageTree catalogChildren[catalogChildrenCount] = {
   ToolboxMessageTree(I18n::Message::PythonCommandPower, I18n::Message::PythonPower, I18n::Message::PythonCommandPower),
   ToolboxMessageTree(I18n::Message::PythonCommandPrint, I18n::Message::PythonPrint, I18n::Message::PythonCommandPrint),
   ToolboxMessageTree(I18n::Message::PythonCommandRadians, I18n::Message::PythonRadians, I18n::Message::PythonCommandRadians),
+  ToolboxMessageTree(I18n::Message::PythonCommandRandom, I18n::Message::PythonRandom, I18n::Message::PythonCommandRandom),
+  ToolboxMessageTree(I18n::Message::PythonCommandRandint, I18n::Message::PythonRandint, I18n::Message::PythonCommandRandint),
+  ToolboxMessageTree(I18n::Message::PythonCommandRandrange, I18n::Message::PythonRandrange, I18n::Message::PythonCommandRandrange),
   ToolboxMessageTree(I18n::Message::PythonCommandRangeStartStop, I18n::Message::PythonRangeStartStop, I18n::Message::PythonCommandRangeStartStop),
   ToolboxMessageTree(I18n::Message::PythonCommandRangeStop, I18n::Message::PythonRangeStop, I18n::Message::PythonCommandRangeStop),
   ToolboxMessageTree(I18n::Message::PythonCommandRect, I18n::Message::PythonRect, I18n::Message::PythonCommandRect),
   ToolboxMessageTree(I18n::Message::PythonCommandRound, I18n::Message::PythonRound, I18n::Message::PythonCommandRound),
   ToolboxMessageTree(I18n::Message::PythonCommandSetPixel, I18n::Message::PythonSetPixel, I18n::Message::PythonCommandSetPixel),
+  ToolboxMessageTree(I18n::Message::PythonCommandSeed, I18n::Message::PythonSeed, I18n::Message::PythonCommandSeed),
   ToolboxMessageTree(I18n::Message::PythonCommandSin, I18n::Message::PythonSin, I18n::Message::PythonCommandSin),
   ToolboxMessageTree(I18n::Message::PythonCommandSinh, I18n::Message::PythonSinh, I18n::Message::PythonCommandSinh),
   ToolboxMessageTree(I18n::Message::PythonCommandSorted, I18n::Message::PythonSorted, I18n::Message::PythonCommandSorted),
@@ -212,7 +232,8 @@ const ToolboxMessageTree catalogChildren[catalogChildrenCount] = {
   ToolboxMessageTree(I18n::Message::PythonCommandTanh, I18n::Message::PythonTanh, I18n::Message::PythonCommandTanh),
   ToolboxMessageTree(I18n::Message::PythonCommandTrunc, I18n::Message::PythonTrunc, I18n::Message::PythonCommandTrunc),
   ToolboxMessageTree(I18n::Message::PythonCommandImag, I18n::Message::PythonImag, I18n::Message::PythonCommandImagWithoutArg),
-  ToolboxMessageTree(I18n::Message::PythonCommandReal, I18n::Message::PythonReal, I18n::Message::PythonCommandRealWithoutArg)};
+  ToolboxMessageTree(I18n::Message::PythonCommandReal, I18n::Message::PythonReal, I18n::Message::PythonCommandRealWithoutArg),
+  ToolboxMessageTree(I18n::Message::PythonCommandUrandomFunction, I18n::Message::PythonUrandomFunction, I18n::Message::PythonCommandUrandomFunctionWithoutArg),};
 
 const ToolboxMessageTree functionsChildren[functionsChildrenCount] = {
   ToolboxMessageTree(I18n::Message::PythonCommandDefWithArg, I18n::Message::Default, I18n::Message::PythonCommandDef),
diff --git a/apps/code/toolbox.universal.i18n b/apps/code/toolbox.universal.i18n
index d8aa0e6ef..168a76000 100644
--- a/apps/code/toolbox.universal.i18n
+++ b/apps/code/toolbox.universal.i18n
@@ -43,3 +43,4 @@ ForInRange1ArgLoopWithArg = "for i in range(size):\n  instruction"
 PythonCommandDef = "def ():\n  "
 PythonCommandDefWithArg = "def function(x):"
 PythonCommandReturn = "return "
+UrandomModule = "urandom"
diff --git a/python/Makefile b/python/Makefile
index e22e7d26f..d746b32fb 100644
--- a/python/Makefile
+++ b/python/Makefile
@@ -138,6 +138,11 @@ py_objs = $(addprefix python/src/py/,\
 py_objs += python/src/py/emitnative.o
 python/src/py/emitnative.o: CFLAGS += -DN_THUMB
 
+
+extmod_objs += $(addprefix python/src/extmod/,\
+  modurandom.o \
+) 
+
 #extmod_objs += $(addprefix python/src/extmod/,\
   moductypes.o \
   modujson.o \
@@ -205,4 +210,4 @@ $(py_objs) $(extmod_objs) $(port_objs): python/port/genhdr/qstrdefs.generated.h
 
 # List all objects needed
 
-objs += $(py_objs) $(port_objs)
+objs += $(extmod_objs) $(py_objs) $(port_objs)
diff --git a/python/port/genhdr/qstrdefs.in.h b/python/port/genhdr/qstrdefs.in.h
index 5815e5d44..23e34b5ff 100644
--- a/python/port/genhdr/qstrdefs.in.h
+++ b/python/port/genhdr/qstrdefs.in.h
@@ -275,3 +275,12 @@ Q(value)
 Q(values)
 Q(zip)
 Q({:#b})
+Q(urandom)
+Q(getrandbits)
+Q(seed)
+Q(random)
+Q(randint)
+Q(randrange)
+Q(randfloat)
+Q(choice)
+Q(uniform)
diff --git a/python/src/extmod/modurandom.c b/python/src/extmod/modurandom.c
new file mode 100644
index 000000000..4b63dace4
--- /dev/null
+++ b/python/src/extmod/modurandom.c
@@ -0,0 +1,226 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Paul Sokolovsky
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <string.h>
+
+//#include "py/nlr.h"
+#include "py/runtime.h"
+
+#if MICROPY_PY_URANDOM
+
+// Yasmarang random number generator
+// by Ilya Levin
+// http://www.literatecode.com/yasmarang
+// Public Domain
+
+STATIC uint32_t yasmarang_pad = 0xeda4baba, yasmarang_n = 69, yasmarang_d = 233;
+STATIC uint8_t yasmarang_dat = 0;
+
+STATIC uint32_t yasmarang(void)
+{
+   yasmarang_pad += yasmarang_dat + yasmarang_d * yasmarang_n;
+   yasmarang_pad = (yasmarang_pad<<3) + (yasmarang_pad>>29);
+   yasmarang_n = yasmarang_pad | 2;
+   yasmarang_d ^= (yasmarang_pad<<31) + (yasmarang_pad>>1);
+   yasmarang_dat ^= (char) yasmarang_pad ^ (yasmarang_d>>8) ^ 1;
+
+   return (yasmarang_pad^(yasmarang_d<<5)^(yasmarang_pad>>18)^(yasmarang_dat<<1));
+}  /* yasmarang */
+
+// End of Yasmarang
+
+#if MICROPY_PY_URANDOM_EXTRA_FUNCS
+
+// returns an unsigned integer below the given argument
+// n must not be zero
+STATIC uint32_t yasmarang_randbelow(uint32_t n) {
+    uint32_t mask = 1;
+    while ((n & mask) < n) {
+        mask = (mask << 1) | 1;
+    }
+    uint32_t r;
+    do {
+        r = yasmarang() & mask;
+    } while (r >= n);
+    return r;
+}
+
+#endif
+
+STATIC mp_obj_t mod_urandom_getrandbits(mp_obj_t num_in) {
+    int n = mp_obj_get_int(num_in);
+    if (n > 32 || n == 0) {
+        mp_raise_ValueError(NULL);
+    }
+    uint32_t mask = ~0;
+    // Beware of C undefined behavior when shifting by >= than bit size
+    mask >>= (32 - n);
+    return mp_obj_new_int_from_uint(yasmarang() & mask);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_urandom_getrandbits_obj, mod_urandom_getrandbits);
+
+STATIC mp_obj_t mod_urandom_seed(mp_obj_t seed_in) {
+    mp_uint_t seed = mp_obj_get_int_truncated(seed_in);
+    yasmarang_pad = seed;
+    yasmarang_n = 69;
+    yasmarang_d = 233;
+    yasmarang_dat = 0;
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_urandom_seed_obj, mod_urandom_seed);
+
+#if MICROPY_PY_URANDOM_EXTRA_FUNCS
+
+STATIC mp_obj_t mod_urandom_randrange(size_t n_args, const mp_obj_t *args) {
+    mp_int_t start = mp_obj_get_int(args[0]);
+    if (n_args == 1) {
+        // range(stop)
+        if (start > 0) {
+            return mp_obj_new_int(yasmarang_randbelow(start));
+        } else {
+            goto error;
+        }
+    } else {
+        mp_int_t stop = mp_obj_get_int(args[1]);
+        if (n_args == 2) {
+            // range(start, stop)
+            if (start < stop) {
+                return mp_obj_new_int(start + yasmarang_randbelow(stop - start));
+            } else {
+                goto error;
+            }
+        } else {
+            // range(start, stop, step)
+            mp_int_t step = mp_obj_get_int(args[2]);
+            mp_int_t n;
+            if (step > 0) {
+                n = (stop - start + step - 1) / step;
+            } else if (step < 0) {
+                n = (stop - start + step + 1) / step;
+            } else {
+                goto error;
+            }
+            if (n > 0) {
+                return mp_obj_new_int(start + step * yasmarang_randbelow(n));
+            } else {
+                goto error;
+            }
+        }
+    }
+
+error:
+    mp_raise_ValueError(NULL);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_urandom_randrange_obj, 1, 3, mod_urandom_randrange);
+
+STATIC mp_obj_t mod_urandom_randint(mp_obj_t a_in, mp_obj_t b_in) {
+    mp_int_t a = mp_obj_get_int(a_in);
+    mp_int_t b = mp_obj_get_int(b_in);
+    if (a <= b) {
+        return mp_obj_new_int(a + yasmarang_randbelow(b - a + 1));
+    } else {
+        mp_raise_ValueError(NULL);
+    }
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_urandom_randint_obj, mod_urandom_randint);
+
+STATIC mp_obj_t mod_urandom_choice(mp_obj_t seq) {
+    mp_int_t len = mp_obj_get_int(mp_obj_len(seq));
+    if (len > 0) {
+        return mp_obj_subscr(seq, mp_obj_new_int(yasmarang_randbelow(len)), MP_OBJ_SENTINEL);
+    } else {
+        nlr_raise(mp_obj_new_exception(&mp_type_IndexError));
+    }
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_urandom_choice_obj, mod_urandom_choice);
+
+#if MICROPY_PY_BUILTINS_FLOAT
+
+// returns a number in the range [0..1) using Yasmarang to fill in the fraction bits
+STATIC mp_float_t yasmarang_float(void) {
+    #if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE
+    typedef uint64_t mp_float_int_t;
+    #elif MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
+    typedef uint32_t mp_float_int_t;
+    #endif
+    union {
+        mp_float_t f;
+        #if MP_ENDIANNESS_LITTLE
+        struct { mp_float_int_t frc:MP_FLOAT_FRAC_BITS, exp:MP_FLOAT_EXP_BITS, sgn:1; } p;
+        #else
+        struct { mp_float_int_t sgn:1, exp:MP_FLOAT_EXP_BITS, frc:MP_FLOAT_FRAC_BITS; } p;
+        #endif
+    } u;
+    u.p.sgn = 0;
+    u.p.exp = (1 << (MP_FLOAT_EXP_BITS - 1)) - 1;
+    if (MP_FLOAT_FRAC_BITS <= 32) {
+        u.p.frc = yasmarang();
+    } else {
+        u.p.frc = ((uint64_t)yasmarang() << 32) | (uint64_t)yasmarang();
+    }
+    return u.f - 1;
+}
+
+STATIC mp_obj_t mod_urandom_random(void) {
+    return mp_obj_new_float(yasmarang_float());
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_urandom_random_obj, mod_urandom_random);
+
+STATIC mp_obj_t mod_urandom_uniform(mp_obj_t a_in, mp_obj_t b_in) {
+    mp_float_t a = mp_obj_get_float(a_in);
+    mp_float_t b = mp_obj_get_float(b_in);
+    return mp_obj_new_float(a + (b - a) * yasmarang_float());
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_urandom_uniform_obj, mod_urandom_uniform);
+
+#endif
+
+#endif // MICROPY_PY_URANDOM_EXTRA_FUNCS
+
+STATIC const mp_rom_map_elem_t mp_module_urandom_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_urandom) },
+    { MP_ROM_QSTR(MP_QSTR_getrandbits), MP_ROM_PTR(&mod_urandom_getrandbits_obj) },
+    { MP_ROM_QSTR(MP_QSTR_seed), MP_ROM_PTR(&mod_urandom_seed_obj) },
+    #if MICROPY_PY_URANDOM_EXTRA_FUNCS
+    { MP_ROM_QSTR(MP_QSTR_randrange), MP_ROM_PTR(&mod_urandom_randrange_obj) },
+    { MP_ROM_QSTR(MP_QSTR_randint), MP_ROM_PTR(&mod_urandom_randint_obj) },
+    { MP_ROM_QSTR(MP_QSTR_choice), MP_ROM_PTR(&mod_urandom_choice_obj) },
+    #if MICROPY_PY_BUILTINS_FLOAT
+    { MP_ROM_QSTR(MP_QSTR_random), MP_ROM_PTR(&mod_urandom_random_obj) },
+    { MP_ROM_QSTR(MP_QSTR_uniform), MP_ROM_PTR(&mod_urandom_uniform_obj) },
+    #endif
+    #endif
+};
+
+STATIC MP_DEFINE_CONST_DICT(mp_module_urandom_globals, mp_module_urandom_globals_table);
+
+const mp_obj_module_t mp_module_urandom = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t*)&mp_module_urandom_globals,
+};
+
+#endif //MICROPY_PY_URANDOM
diff --git a/python/src/py/mpconfig.h b/python/src/py/mpconfig.h
index fb507a503..aca397b97 100644
--- a/python/src/py/mpconfig.h
+++ b/python/src/py/mpconfig.h
@@ -1044,12 +1044,12 @@ typedef double mp_float_t;
 #endif
 
 #ifndef MICROPY_PY_URANDOM
-#define MICROPY_PY_URANDOM (0)
+#define MICROPY_PY_URANDOM (1)
 #endif
 
 // Whether to include: randrange, randint, choice, random, uniform
 #ifndef MICROPY_PY_URANDOM_EXTRA_FUNCS
-#define MICROPY_PY_URANDOM_EXTRA_FUNCS (0)
+#define MICROPY_PY_URANDOM_EXTRA_FUNCS (1)
 #endif
 
 #ifndef MICROPY_PY_MACHINE