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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