52.python收集参数

52.python收集参数

def print_params(*params):  # *接受元组,一个星号
    print(params)


def print_params2(tt2, *params):  # *接受元组
    print(tt2)
    print(params)


def print_params3(tt2, *params, **params2):  # *接受元组,*接受字典
    print(tt2)
    print(params)
    print(params2)


# Press the green button in the gutter to run the script.
if __name__ == '__main__':
    print_hi('PyCharm')
    # 收集参数
    print_params(11, 22, 33)
    print_params2(11, 22, 33, 55)
    print_params3(11, 22, 33, 55, f1=98, f2=97)

 #参数收集的逆过程

def print_params3a(tt2, *params, **params2):  # *接受元组,*接受字典
    print('print_params3a')
    print(tt2)
    print(params)
    print(params2)
    print(params2['name'])
    print(params2['city'])


# Press the green button in the gutter to run the script.
if __name__ == '__main__':
    print_hi('PyCharm')
    # 收集参数
    print_params(11, 22, 33)
    print_params2(11, 22, 33, 55)
    print_params3(11, 22, 33, 55, f1=98, f2=97)
    params3_dic = {'name': 'dashan', 'city': 'BJ'}
    print_params3a(11, 22, 33, 55, **params3_dic) # #参数收集的逆过程