Is there a way to perform “if” in python's lambda

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长发绾君心
长发绾君心 2020-12-12 08:38

In python 2.6, I want to do:

f = lambda x: if x==2 print x else raise Exception()
f(2) #should print \"2\"
f(3) #should throw an exception
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16条回答
  •  刺人心
    刺人心 (楼主)
    2020-12-12 09:28

    the solution for the given scenerio is:

    f = lambda x : x if x == 2 else print("number is not 2")
    f(30)  # number is not 2
    f(2)   #2
    

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