Revision: 48875
Updated Code
at July 12, 2011 07:56 by abstraktor
Updated Code
#!/usr/bin/env python3.2 # Bastian Kruck ([email protected]) # 11.7.2011 """ use flatten to reduce a given list to non-list elements. All elements that are no list will be kept and the lists will be expanded... """ import functools def reductor(x,y): return flatten(x) + flatten(y) def flatten(l): if isinstance(l,list): l = functools.reduce(reductor, l) if isinstance(l, list): return l return [l] if __name__=="__main__": print("testing myself...is this right?") tests = [[3], [[4]], [2,3], [[3],4] , [[[[4],[5,[3]]]],4,[55,2,]]] for test in tests: print("%s \t\t\t=>\t %s" % (test, flatten(test)))
Revision: 48874
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at July 12, 2011 07:56 by abstraktor
Initial Code
#!/usr/bin/env python3.2
# Bastian Kruck
# 11.7.2011
"""
use flatten to reduce a given list to non-list elements. All elements that are no list will be kept and the lists will be expanded...
"""
import functools
def reductor(x,y):
return flatten(x) + flatten(y)
def flatten(l):
if isinstance(l,list):
l = functools.reduce(reductor, l)
if isinstance(l, list):
return l
return [l]
if __name__=="__main__":
print("testing myself...is this right?")
tests = [[3], [[4]], [2,3], [[3],4] , [[[[4],[5,[3]]]],4,[55,2,]]]
for test in tests:
print("%s \t\t\t=>\t %s" % (test, flatten(test)))
Initial URL
Initial Description
use flatten to reduce a given list to non-list elements. All elements that are no list will be kept and the lists will be expanded...
Initial Title
flatten python lists
Initial Tags
list
Initial Language
Python