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GitHub Repository: jackfrued/Python-100-Days
 Path: blob/master/Day01-15/code/Day06/function5.py
Views: 729
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"""

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函数的参数

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- 位置参数

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- 可变参数

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- 关键字参数

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- 命名关键字参数

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Version: 0.1

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Author: 骆昊

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Date: 2018-03-05

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"""

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# 参数默认值

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def f1(a, b=5, c=10):

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    return a + b * 2 + c * 3

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print(f1(1, 2, 3))

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print(f1(100, 200))

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print(f1(100))

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print(f1(c=2, b=3, a=1))

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# 可变参数

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def f2(*args):

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    sum = 0

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    for num in args:

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        sum += num

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    return sum

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print(f2(1, 2, 3))

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print(f2(1, 2, 3, 4, 5))

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print(f2())

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# 关键字参数

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def f3(**kw):

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    if 'name' in kw:

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        print('欢迎你%s!' % kw['name'])

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    elif 'tel' in kw:

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        print('你的联系电话是: %s!' % kw['tel'])

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    else:

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        print('没找到你的个人信息!')

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param = {'name': '骆昊', 'age': 38}

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f3(**param)

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f3(name='骆昊', age=38, tel='13866778899')

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f3(user='骆昊', age=38, tel='13866778899')

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f3(user='骆昊', age=38, mobile='13866778899')

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