python几种占位符用法

name = input("name")
age = int(input("age"))
job = input("job")
salary = input("salary")

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

info2 = '''
---------- info of %s ---------
name: %s
age: %d
job: %s
salary: %s
'''%(name,name,age,job,salary)
print(info2)
-----------------------------------------------------------------

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