Программирование, выполнение работы

 def z (a,b,c): 
    a1 = (a + b) ** 2 / (a * b) 
    a2 = 3.5 if c > 10 else (a - b) ** 2 
    return (a1 + a2) + max(a1,a2) / 2 
 
print(z(87,56,15)) 
print(z(87,56,8)) 

 def Square(k):     
    return round(k ** .5) ** 2 == k 
 
print(Square(25)) 
print(Square(17)) 
print(Square(81)) 
print(Square(12)) 
print(Square(4)) 

 def Square(k):     
    return not bool(k ** .5 % 1)