python流程处理
#!/bin/bash/env python#_*_ coding:utf-8 _*_
#python version：3.6
例1
#循环数字，当循环10的时候退出
count = 0
#设置计数器
while True:
print("print:" ,count)
count +=1
if count == 10:
print("loop completed")
break;
#跳出循环
例2
#猜年龄游戏，可以输入10次，但是输错3次就退出。
#测试是否可以输入10次，把count < 3 改成count <10 即可；
n1 = 21
count = 0
while True:
if count == 10:
print("say goodbye!")
else:
if count < 3:
name = int(input("please input the number which you want to:"))
if name == n1:
print("you are too smart!")
break;
elif name < 21:
print("is too small!")
else:
print("it is too big!")
else:
print("you are too failed!")
break;
count += 1
例3
#猜年龄游戏，可以输入10次，但是输错3次，就再问一下你还要继续吗？不继续就退出。
n1 = 21
count = 0
for i in range(13):
if count < 3:
name = int(input("please input the number which you want to:"))
if name == n1:
print("you are too smart!")
break;
elif name < 21:
print("is too small!")
else:
print("it is too big!")
else:
print("you are too failed!")
input1 = input("Do you want to continue? (y/n)")
if input1 == "y":
count = 0 ;
continue;
else:
print("say goodbye!")
break;
count += 1
注意：counter +=1 相等于 counter = counter +1
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