''' Purpose: find the words of maximum length in user text
'''

# get the words
reply = input( 'Enter text: ' )
words = reply.split()

# consider the words one by one to find a longest word
longest_seen = ""                       # so far nothing has been seen

for word in words :                     # consider each word in turn
    nw = len( word )                    # get its length
    nl = len( longest_seen )            # get the length of the longest seen so far

    if ( nl < nw ) :                    # compare the two lengths
        longest_seen = word             # if current word is longer, update longest seen

# determine the words of longest length
longest_words = [] # Initialize an empty list

                    # See if the word has the length of the longest word
                    # Add it to your longest_words list if it does!

for word in words: # Go through your list of words again!
    if( len(word) == len( longest_seen) ):  # is word as long as longest word?
        longest_words.append( word ) # Add the word to the list of longest words
    else:
        pass        # do nothing if the lengths aren't equal
# print result

print( longest_words ) # List of my longest words! I need to build this list!