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First solution in Creative category for Simple Areas by flpo
from math import sqrt, pi
from operator import mul
from functools import reduce
simple_areas = lambda *args: [
lambda d: d**2 * pi / 4,
mul,
lambda *_: (lambda p: sqrt(reduce(mul, (p-a for a in args), p)))(sum(args)/2)
][len(args) - 1](*args)
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
def almost_equal(checked, correct, significant_digits=2):
precision = 0.1 ** significant_digits
return correct - precision < checked < correct + precision
assert almost_equal(simple_areas(3), 7.07), "Circle"
assert almost_equal(simple_areas(2, 2), 4), "Square"
assert almost_equal(simple_areas(2, 3), 6), "Rectangle"
assert almost_equal(simple_areas(3, 5, 4), 6), "Triangle"
assert almost_equal(simple_areas(1.5, 2.5, 2), 1.5), "Small triangle"
July 3, 2017
