今日收获：匿名函数 Lambda
2017-10-18 22:27
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# Anonymous Fuction Lambda
- Lambda is an anonymous function, which saves our time in process of defining one.
- Arguments and ouputs are seperated by a colon
- The latter can be simply a function or conditional statments or other complex expressions.
Examples
- Single argument
f1 = lambda x: 1/x
>>> f1(2)
0.5
- Multi argument
f2 = lambda x,y : x+y
>>> f2(2, 3)
5
- Conditional expression
f3 = lambda x,y: 'fucked up' if (x%y != 0) else 'in progress'
>>> f3(1, 2)
'fucked up'
>>>f3(4, 2)
'in progress'
语法风格与C很相似呢
- Lambda is an anonymous function, which saves our time in process of defining one.
- Arguments and ouputs are seperated by a colon
- The latter can be simply a function or conditional statments or other complex expressions.
Examples
- Single argument
f1 = lambda x: 1/x
>>> f1(2)
0.5
- Multi argument
f2 = lambda x,y : x+y
>>> f2(2, 3)
5
- Conditional expression
f3 = lambda x,y: 'fucked up' if (x%y != 0) else 'in progress'
>>> f3(1, 2)
'fucked up'
>>>f3(4, 2)
'in progress'
语法风格与C很相似呢
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