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ForFor 循环相信大家都很熟悉吧，在别的语言里面也经常用的到，而在Python中的用法其实在上一个章节中其实已经涉及到了，这篇文章再继续讲解这个用法，而在其他代码中经常用到的for（i=0;i<10;i++）在Python中使用却是如此简单，废话少说，从代码中去体会用法才是王道。__author__="Alex"
__date__ ="$2011-2-17 10:39:27$"
if __name__ == "__main__":
    print "Hello";
# declare a list
names = ["Lu", "Zhang", "Xu"]
# print title before each name
for name in names:
  print（ "Mr. " + name ）
for i in range（1,3）:
    print（i）
   
for i in { "9.2":5, "wife":"Viki" }:
  print（ i ） # prints out consecutively: 9.2, wife
d = { "9.2":5, "wife":"Viki" }
for i in d:
  print（ d[i] ） # prints out consecutively: 5, Viki控制台输出：Hello
Mr. Lu
Mr. Zhang
Mr. Xu
1
2
9.2
wife
5
VikiWhileWhile循环在Python中的用法也很Easy，至此为止，我发现Python真的如官网上所说，简单高效清晰__author__="Alex"
__date__ ="$2011-2-17 10:39:27$"
if __name__ == "__main__":
    print "Hello";
# set the size of a normal drinking glass to standard 0.2 litres
glass_size = 0.2
glasses = int（ input（"How many glasses （0.2 litres） of water have you drunk today？ "） ）
# loop until user has drunk 2 litres
while glasses * glass_size < 2:
  glasses = int（ input（"How many glasses have you drunk now？ "） ）
print （ "That"s at least 2 litres." ）Console OutPut：Hello
How many glasses （0.2 litres） of water have you drunk today？ 3
How many glasses have you drunk now？ 5
How many glasses have you drunk now？ 10
That"s at least 2 litres.