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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
199087 changed files with 3378941 additions and 0 deletions
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Task/Y-combinator/Python/y-combinator-1.py Normal file
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>>> Y = lambda f: (lambda x: x(x))(lambda y: f(lambda *args: y(y)(*args)))
>>> fac = lambda f: lambda n: (1 if n<2 else n*f(n-1))
>>> [ Y(fac)(i) for i in range(10) ]
[1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880]
>>> fib = lambda f: lambda n: 0 if n == 0 else (1 if n == 1 else f(n-1) + f(n-2))
>>> [ Y(fib)(i) for i in range(10) ]
[0, 1, 1, 2, 3, 5, 8, 13, 21, 34]

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Task/Y-combinator/Python/y-combinator-2.py Normal file
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Y = lambda f: lambda *args: f(Y(f))(*args)

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Task/Y-combinator/Python/y-combinator-3.py Normal file
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Y = lambda b: ((lambda f: b(lambda *x: f(f)(*x)))((lambda f: b(lambda *x: f(f)(*x)))))