python 循环while和for in简单实例
#!/uer/bin/env python
# _*_ coding: utf-8 _*_
lucknumber = 5
b = 0
while b <3:
print(\'guss count:\',b)
a = int(input(\'you guse number\'))
if a > lucknumber:
print (\'youaerbiger\')
elif a == lucknumber:
print (\'youare righet\')
break #跳出这个层级的循环
else :
print (\'you aer smaller\')
b +=1 #在while循环中,+=1 是必须循环体
else:
print (\"Too many retrys!\")
#________________________________________________
for i in range(3):
a = int(input(\'you guse number\')) #注意用int()表示输出的是 数字类型
if a > lucknumber:
print (\'youaerbiger\')
elif a == lucknumber:
print (\'youare righet\')
break
else :
print (\'you aer smaller\')
else:
print (\"Too many retrys!\")
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