landajuela/wolfram2python

Wolfram Language to Python Language Translation Reference

Wolfram ↔ Python

general

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Name	Wolfram	Python
func	f[x_]:=2 + x;f[2]	def f(x): return 2 + x f(2)
global	Names["Global`*"]	globals()
print	Print["Hello world"]	print("Hello world")
range	Range[0,7,2]	range(0,7,2)

math

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Name	Wolfram	Python
abs	Abs[-2]	abs(-2)
ceil	Ceiling[2.3]	ceil(2.3)
floor	Floor[2.3]	floor(2.3)
max	Max[2,3]	max(2,3)
min	Min[2,3]	min(2,3)
pow	2^3	2**3
round	Round[2.3]	round(2.3)
sqrt	Sqrt[2]	sqrt(2)

dict

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Name	Wolfram	Python
dict	<|"a" -> 2, "b" -> 2, "c" -> 6, "d" -> 7|>	{"a": 2, "b": 2, "c": 6, "d": 7}
dict access	<|"a" -> 2, "b" -> 2, "c" -> 6, "d" -> 7|>["a"]	{"a": 2, "b": 2, "c": 6, "d": 7}["a"]
dict keys	Keys[<|"a" -> 2, "b" -> 2, "c" -> 6, "d" -> 7|>]	list({"a": 2, "b": 2, "c": 6, "d": 7}.keys())
dict values	Values[<|"a" -> 2, "b" -> 2, "c" -> 6, "d" -> 7|>]	list({"a": 2, "b": 2, "c": 6, "d": 7}.values())

functional programming

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Name	Wolfram	Python
func nest	NestList[f[#]&,2,3]	def nest(f, x, times): y = [x] for i in range(times-1): y.append(f(y[-1])) return y nest(f,2,3)
map	Function[x,2 + x]/@{2, 2, 6, 7}	map(lambda x : 2 + x, [2, 2, 6, 7])
filter	Function[x,2 + x]/@Select[{2, 2, 6, 7},#>4&]	list(map(lambda x : 2 + x, filter(lambda x : x > 4, [2, 2, 6, 7])))

list

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Name	Wolfram	Python
list	{2, 2, 6, 7}	[2, 2, 6, 7]
list append	l={2, 2, 6, 7}; AppendTo[l,2]; l	l=[2, 2, 6, 7]; l.append(2); l
list length	Length[{2, 2, 6, 7}]	len([2, 2, 6, 7])
list slicing	{2, 2, 6, 7}[[1;;;;2]]	[2, 2, 6, 7][0::2]
list zip	Transpose@{{"a", "b", "c", "d"},{2, 2, 6, 7}}	list(zip(["a", "b", "c", "d"],[2, 2, 6, 7]))
unique list	DeleteDuplicates[{2, 2, 6, 7}]	set([2, 2, 6, 7])

procedural programming

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Name	Wolfram	Python
if	If[3>2,Print["true"]]	if 3 > 2: print("true")
for	For[i=0,i<3,i++,Print[i]]	for i in range(3): print(i)
while	i = 0; While[i<3,Print[i];i++]	i = 0 while i < 3: print(i) i += 1

string

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Name	Wolfram	Python
string format	ToString[StringForm["The values are x= and y=.", 5, 10]]	"The values are x={} and y={}.".format(5, 10)
string join	StringRiffle[{2, 2, 6, 7}, " "]	' '.join(["2", "2", "6", "7"])
string split	StringSplit["a b c d", " "]	"a b c d".split(" ")
string to int	ToExpression["2"]	int("2")
string to list	Characters["abcd"]	list("abcd")