python基础(1)-helloworld

2023-01-31 14:15:07

搭建python运行环境

下载python安装包
配置好环境变量，可参考此链接

第一个helloworld

 #单行注释
 '''多行注释'''
 """多行注释"""
 print("hello world!")

练习

 add_age = 1;
 name = input("your name:");
 age = input("your age:");
 print("name is "+name+"；age is "+str(int(age)+add_age));

 true_num = 67;
 input_num = int(input(">>:"));
     if true_num==input_num:
         print('true');
     elif input_num>true_num:
         print('try smaller')
     else:
         print('try bigger');