替换字符串

def replace_string(my_str, *args):
    """
    替换字符串
    :param my_str:
    :param args:
    :return:
    """
    print(args)
    length = len(args)
    for i in range(0, length-1, 2):
        new_str = my_str.replace(args[i], args[i+1])
    return new_str


def replace_string1(my_str, **kwargs):
    """
    替换字符串
    :param my_str:
    :param kwargs:
    :return:
    """
    print(kwargs)
    for key in kwargs:
        new_str = my_str.replace(key, kwargs[key])
    return new_str


print(replace_string("hello world", "l", "s", "o", "d"))
print(replace_string1("hello world", l="s", o="d"))