#
#  Compute the mode (or modes) of a collection of values entered by the user.
#


#
#  Read all of the values from the user and store them in a list.
#
data = []
item = input("Enter an item (blank line to quit): ")
while item != "":
  data.append(item)
  item = input("Enter an item (blank line to quit): ")

# Create a new, empty dictionary.
counts = {}

# For each element in the list
for item in data:
  # If the element is already a key in the dictionary
  if item in counts.keys():
    # Increase the value associated with that key by 1
    counts[item] = counts[item] + 1
  # Otherwise
  else:
    # Add the key to the dictionary with a count of 1
    counts[item] = 1

print(counts)

#
#  The mode of the list is the key (or keys) with largest value
#
# Find the largest value in the dictionary
largest = max(counts.values())

print("The mode (or modes) of the list is/are: ")
# Display all of the keys that have largest value
for key in counts.keys():
  if counts[key] == largest:
    print(key)