Make incrementor with def (closure)

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examples/closures/make_incrementor_def.py

def make_incrementor(n):
    def inc(x):
        return x + n
    return inc

f3 = make_incrementor(3)
f7 = make_incrementor(7)

print(f3(2))
print(f7(3))
print(f3(4))
print(f7(10))

5
10
7
17