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> > > lambda x: x # A lambda expression with one parameter x _ _ _ _ _ _ > > > a =

>>> lambda x: x # A lambda expression with one parameter x
______
>>> a = lambda x: x # Assigning the lambda function to the name a
>>> a(5)
______
>>>(lambda: 3)() # Using a lambda expression as an operator in a call exp.
______
>>> b = lambda x, y: lambda: x + y # Lambdas can return other lambdas!
>>> c = b(8,4)
>>> c
______
>>> c()
______
>>> d = lambda f: f(4) # They can have functions as arguments as well.
>>> def square(x):
... return x * x
>>> d(square)
______
>>> higher_order_lambda = lambda f: lambda x: f(x)
>>> g = lambda x: x * x
>>> higher_order_lambda(2)(g) # Which argument belongs to which function call?
______
>>> higher_order_lambda(g)(2)
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>>> call_thrice = lambda f: lambda x: f(f(f(x)))
>>> call_thrice(lambda y: y +1)(0)
______
>>> print_lambda = lambda z: print(z) # When is the return expression of a lambda expression executed?
>>> print_lambda
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>>> one_thousand = print_lambda(1000)
______
>>> one_thousand # What did the call to print_lambda return

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