fengling132的专栏

people = { 'Alice':{ 'phone':'2341', 'addr':'Foo drive 23' }, 'Beth':{ 'phone':'9102', 'addr':'Bar street 42'

lambda语句被用来创建新的函数对象，并且在运行时返回它们 #!/usr/bin/python # Filename: lambda.py def make_repeater(n): return lambda s: s*n twice = make_repeater(2)

def powersum(power, *args): '''Return the sum of each argument raised to specified power.''' total = 0 for i in args: total += pow(i, power) return total

def pw(x,y): if y==0: return 1 else: return x*pw(x,y-1)

def factorial(n): if n==1:return n else: return n*factorial(n-1)

while True: s=input('Input a word:') if s=='quit': break if len(s)<3: print ('your word is not enough') continue

while True: try: x=int(input('Please input a number for x:')) y=int(input('Please input a number for y:')) print(x/y) except: print ('fuck you,try again') else:break

python version 3.2.2 >>> from string import maketrans Traceback (most recent call last):   File "", line 1, in     from string import maketrans ImportError: cannot import name maketrans