username = input('username:')
 password = input('password:')
 print(username,password)

name = input("name:")
age = input("age:")
skill = input("skill:")
salary = input("salary:")

info = '''
  --- info of ''' + name + ''' 
  name: ''' + name + '''
  age: ''' + age + '''
  skill: ''' + skill + '''
  salary: ''' + salary + '''
'''
print(info)

name = input("name:")
age = input("age:")
skill = input("skill:")
salary = input("salary:")

info1 = '''
 --- info of %s ---
 Name:%s
 Age:%s
 Skill:%s
 Salary:%s
''' % (name,name,age,skill,salary) 注意这里的变量要一 一对应，缺少一个就会报错
print(info1)

name = input("username：")
age = input("age：")
skill = input("skill：")
salary = input("salary：")

info = '''
  --- info of {_name}
  Name：{_name}
  Age：{_age}
  Skill：{_skill}
  Salary：{_salary}
'''.format(_name=name, _age=age, _skill=skill, _salary=salary) //此处是赋值

print(info)

name = input("name：")
age = input("age：")
skill = input("skill：")
salary = input("salary：")

info = '''
  --- info of {0}---
  Name：{0}
  Age：{1}
  Skill：{2}
  Salary：{3}
'''.format(name, name, age, skill, salary)

print(info)