realizar la suma, resta , multiplicacion de 3 numeros intriducidos desde teclado utilizando el metodo get

def suma(a, b, c):
  return a + b + c

def resta(a, b, c):
  return a - b - c
  
def multiplicacion(a, b, c):
  return a * b * c

  a = int(input('enter the first number:'))
  b = int(input('enter the second number:'))
  c = int(input('enter the third number:'))
  
  print(suma(a, b, c))
  print(resta(a, b, c))
  print(multiplicacion(a, b, c))