''' Purpose: spell check a line of input
'''

# import get module for url supoprt
import url

# define link for spelling dictionary
WORDS_FOLDER_URL   = "http://www.cs.virginia.edu/~cs1112/datasets/words/"
SPELLING_LIST_URL  = WORDS_FOLDER_URL + "most-common"

# get the spelling list as a list of words
text = url.get_contents( SPELLING_LIST_URL )
spellings = text.split()

# get the user text as a list of words
reply = input( "Enter text: " )
reply = reply.lower()   # we want to lower because our list of common words contain words with all lower case
words = reply.split()   # get each word in the text into its own element in a list

# consider the words one by one -- determine whether current word is misspelled.
for word in words:
    # for every word in the list words from reply, check whether the current word is incorrectly spelled

    if ( word not in spellings ):  # check whether word is NOT IN the list of correct spellings
        # if incorrectly spelled (not in spellings) --> print the word
        print( word )

# all done