死循環
#/usr/bin/env python
input_number=19
while True: #==>無限循環
number=int(input("please input your number:")) #==>注意python3.0默認輸入的是字符串,需要int轉換
if number == input_number:
print("the number you put is true")
break #==>條件滿足時結束循環
elif number > input_number:
print("the number you put is big")
else:
print("the number you put is small")