lambda???

lambda????????????μ????????????????????????????

??15.2 ???lambda???

#!/usr/bin/python
# Filename: lambda.py

def make_repeater(n):
    return lambda s: s*n

twice = make_repeater(2)

print twice('word')
print twice(5)

????????code/lambda.py??

???

$ python lambda.py
wordword
10

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?????????????make_repeater????????????????μ???????????????????lambda??????????????????????????lambda???????????????????????????????????壬????????????????????????????????????print????????????lambda????У????????????