# Compute the average of a collection of values entered by the user.
# The user will enter 0 to indicate the end of input.

# Initialize count and total to 0
count = 0
total = 0

# Read the first value
value = float(input("Enter a number: "))

# While the entered value is not 0
while value != 0:
  # Add the value to the total
  total = total + value

  # Increase the count of how many values were entered
  count = count + 1

  # Read the next value
  value = float(input("Enter another number: "))

# Display an appropriate error message if no values were entered
if count == 0:
  print("No values were entered.")
else:
  # Compute the average and display the result
  average = total / count
  print("The average of those numbers is", average)