filter - map in one expression

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examples/functional/filter_map_one.py

numbers = [1, 7, 19, 5, 57,  23, 8]

def big(x):
    print(f"filtering {x}")
    return x > 10

def double(y):
    print(f"double {y}")
    return 2*y


for num in map(double,  filter(big, numbers)):
    print(num)

filtering 1
filtering 7
filtering 19
double 19
38
filtering 5
filtering 57
double 57
114
filtering 23
double 23
46
filtering 8