File: closure2.py

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# closures; closing over an argument

def f(x):
    y = 2 * x
    def g(z):
        return x + y + z
    return g

print(f(1)(1))

x = f(2)
y = f(3)
print(x(1), x(2), x(3))
print(y(1), y(2), y(3))
print(x(1), x(2), x(3))
print(y(1), y(2), y(3))