input: Write a python function to check if a number is divisible by both 5 and 7.
  assert is_divisible_by_5_and_7(35) == True
  assert is_divisible_by_5_and_7(70) == True
  assert is_divisible_by_5_and_7(50) == False
  assert is_divisible_by_5_and_7(49) == False
output: def is_divisible_by_5_and_7(number):
      return number % 5 == 0 and number % 7 == 0