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First solution in Clear category for Simple Areas by klaganowski
import math
def simple_areas(*args):
def circle(args):
r = args[0]
return float(math.pi*(r**2))/4
def rectangle(args):
a, b = args
return a * b
def triangle(args):
a, b, c = args
p = float(a + b + c)/2
return (p*(p - a)*(p - b)*(p - c))**(float(1)/2)
switch = {
1: circle,
2: rectangle,
3: triangle
}
return switch[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"
Dec. 5, 2016