一、注释
1、单行,代码注释:#
2、多行注释:三个引号(单引号、或双引号)
3、三个单引号,赋予个变量,打印,又可用作:多行打印
4、单行打印
msg1 = '''sjijid = ddcd'''
#单引号套双引号,双套单
msg2 = "I'm lili"
print(msg1,msg2)
5、账号密码,输入框:
一种:
username = input("username:")
password = input("password:")
print(username,password)
二种:
name = input("name:")
job = input("job:")
info = '''
----- info of %s -------
name:%s
job:%s
''' % (name,name,job)
print(info)
![](https://img2020.cnblogs.com/blog/1122918/202004/1122918-20200428163227483-1743156657.png)
#把str转换成int
age = int(input("age:"))
#打印字符类型,把age转为字符串str(age)
print(type(age),type(str(age)))
#d:整数、f:小数
age:%s