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First solution in Uncategorized category for Simple Areas by coells
from math import pi, sqrt
def simple_areas(*args):
return [
None,
lambda r: pi*(r/2)**2,
lambda a, b: a*b,
lambda a, b, c: sqrt((a+b+c)*(-a+b+c)*(a-b+c)*(a+b-c)) / 4
][len(args)](*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"
June 18, 2014
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