53 lines
873 B
Python
53 lines
873 B
Python
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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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