input: Write a function to calculate the average of five numbers entered by a user. The function should prompt the user to enter five numbers, calculate their average, and then print the average.
  
  assert calculate_average() == None
  assert calculate_average() == None
  assert calculate_average() == None
  assert calculate_average() == None
  assert calculate_average() == None
output: def calculate_average():
      num1 = float(input("Enter the first number: "))
      num2 = float(input("Enter the second number: "))
      num3 = float(input("Enter the third number: "))
      num4 = float(input("Enter the fourth number: "))
      num5 = float(input("Enter the fifth number: "))
      average = (num1 + num2 + num3 + num4 + num5) / 5
      print("The average is:", average)