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

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

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

# While the entered value is not a blank line
while value != "":
  # Convert value to a floating point number and add it to total
  total = total + float(value)

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

  # Read the next value
  value = 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)