import math
def f(x):
if x <=0:
print("wynik to: ", 4+x+x**3)
elif x > 7:
print("wynik to: ", math.sqrt(x+maths.sqrt(2*x)))
elif (x > 0 and x <= 4):
print("wynik to: ", math.sqrt(x/8.0+x)) #x/8+x
else:
print("funkcja nie pzryjmuje wartości")
#test
f(5)
aW1wb3J0IG1hdGgKZGVmIGYoeCk6CglpZiB4IDw9MDoKCQlwcmludCgid3luaWsgdG86ICIsIDQreCt4KiozKQoJZWxpZiB4ID4gNzoKCQlwcmludCgid3luaWsgdG86ICIsIG1hdGguc3FydCh4K21hdGhzLnNxcnQoMip4KSkpCgllbGlmICh4ID4gMCBhbmQgeCA8PSA0KToKCQlwcmludCgid3luaWsgdG86ICIsIG1hdGguc3FydCh4LzguMCt4KSkgI3gvOCt4CgllbHNlOgoJCXByaW50KCJmdW5rY2phIG5pZSBwenJ5am11amUgd2FydG/Fm2NpIikKI3Rlc3QKZig1KQ==