python

# __author__ = 'LiuRen'
#1.单行注释用#
#2.多行注释用2个'''
#3.打印用print加()
#4.此外可以用多行注释直接赋值给某个变量

msg='''
    name="刘仁"
    print(name)
    '''
print(msg)
#5.用户交互输入用input(注意顶格写否则会报缩进错误)
#username = input("username:")
#password = input("password:")

#print(username, password)

#6.3种格式化输出的方式:
username=input("username:")
age=int(input("age:"))
job=input("job:")
salary=input("salary:")
info1='''
        ------info of %s------
        username:%s
        age:%d
        job:%s
        salary:%s
    '''%(username,username,age,job,salary)
print(info1)

info2='''
        ------info of {_username}------
        username:{_username}
        age:{_age}
        job:{_job}
        salary:{_salary}
    '''.format(_username=username,_age=age,_job=job,_salary=salary)
print(info2)

info3='''
        ------info of {0}------
        username:{0}
        age:{1}
        job:{2}
        salary:{3}
    '''.format(username,age,job,salary)
print(info3)