def f1(a):
if a == 3:
pass
else:
return a*a
li = [1,2,3,4]
for i in f
1,li):
print(i)
def f1(a):
if a == 3:
pass
else:
return a*a
li = [1,2,3,4]
# for i in filter(f1,li):
# print(i)
for i in map(f1,li):
print(i)
原文：http://www.cnblogs.com/liyqiang/p/6285190.html