Contents
x = 3

if x < -4:
    y = -4.0
    
elif x < 0:
    y = (x + 4)**2/4.0 - 4.0
    
elif x < 4:
    y = 4.0 - (x - 4)**2/4.0
    
else:
    y = 4.0


print(x, y)