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satishgoda/example1.py

Created September 18, 2014 13:45
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operator.methodcaller
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example1.py
import operator
last = operator.itemgetter(-1)
l1 = []
l2 = [1,2,3]
l3 = [-100, 10, 400]
def gaurdedLast(l):
return (last(l) if l else None)
print map(gaurdedLast, (l1, l2, l3))
# [None, 3, 400]
print {i: gaurdedLast(eval(i)) for i in ('l1', 'l2', 'l3')}
#{'l1': None, 'l2': 3, 'l3': 400}
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