args-kwargs.py

#!/usr/bin/env python

def test1(id, **kwargs):
    print id, kwargs

def test2(*args, **kwargs):
    print args
    print kwargs

def test3(id, name, mail,
          phone = None, addr = None):
    print id, name
    print mail, phone, addr

def test4(id, *args, **kwargs):
    print id
    print args
    print kwargs

if __name__ == "__main__":
    testt = ("a", "b", "c")
    testd = {
        "id"   : "hogehoge",
        "name" : "abcdefg",
        "mail" : "test@example.com",
        }

    test1(**testd)
    test1("foobar", name = "aabbcc")
    test2(*testt, **testd)
    test3(**testd)

#   test4(*testt, **testd) # Error
#   test1(id = "ovwrt", **testd) # Error


# Result:
#     hogehoge {'mail': 'test@example.com', 'name': 'abcdefg'}
#
#     foobar {'name': 'aabbcc'}
#
#     ('a', 'b', 'c')
#     {'mail': 'test@example.com', 'id': 'hogehoge', 'name': 'abcdefg'}
#
#     hogehoge abcdefg
#     test@example.com None None

args-tuple.py

#!/usr/bin/env python

def test1(a, b, c):
    print a, b, c

def test2(*args):
    print args

if __name__ == "__main__":
    test = (1, 2, 3)

    test1(*test)
    test2(*test)
    test2(10, 20, 30, 40)


# Result:
#     1 2 3
#     (1, 2, 3)
#     (10, 20, 30, 40)

kwargs-dict.py

#!/usr/bin/env python

def test1(id, name, mail):
    print id, name, mail

def test2(**kwargs):
    print kwargs

if __name__ == "__main__":
    test = {
        "id"   : "hogehoge",
        "name" : "abcdefg",
        "mail" : "test@example.com",
        }

    test1(**test)

    test2(**test)
    test2(id = "foobar", name = "hijklmn",
          mail = "hoge@example.com")


# Result:
#     hogehoge abcdefg test@example.com
#     {'mail': 'test@example.com', 'id': 'hogehoge', 'name': 'abcdefg'}
#     {'mail': 'hoge@example.com', 'id': 'foobar', 'name': 'hijklmn'}