# -*- coding:utf-8 -*- Man = 27 guess_age_of_people = int (input("guess age:")) #python 3.x 默认变量类型为字符串,数字需要应int () 方式进行整形 if guess_age_of_people == Man : print("It is true!") elif guess_age_of_people > Man : print("It is bigger!") else: print("It is small!")
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