じゅんかんせいぎょ

デッドサイクル

#/usr/bin/env python
input_number=19
while True:                                           #==>    
    number=int(input("please input your number:"))  #==>  python3.0         ，  int  
    if number == input_number:
        print("the number you put is true")
        break                                         #==>         
    elif number > input_number:
        print("the number you put is big")
    else:
        print("the number you put is small")