ReaderAbilityChecker

"""ReaderAbilityChecker computes the grade level for text stored in a text file. The input to this program is the name of a text file. The outputs are the number of words, and the reader ability grade of the reader. """

import os dire=os.getcwd() listOfdir=os.listdir(dire) while True:

UserFileName=raw_input("Enter file name:")
if (UserFileName in listOfdir) and    (UserFileName.endswith('.txt')):
    InputFile=open(UserFileName,'r')
    text=InputFile.read()

    sentence=text.count(".") + text.count('!') + \
              text.count(";") + text.count(":") + \
              text.count("?")

    words=len(text.split())
    syllable=0

    for word in text.split():
        for vowel in ['a','e','i','o','u']:
            syllable += word.count(vowel)
        for ending in ['es','ed','e']:
            if word.endswith(ending):
                syllable -= 1
        if word.endswith('le'):
                syllable += 1
    
    if words!=0 and sentence != 0 and syllable != 0:
        G=round((0.39*words)/sentence+ (11.8*syllable)/words-15.59)
        if G >= 0 and G <=30:
            print 'The Readability level is College'
        elif  G >= 50 and G <=60:
            print 'The Readability level is High School'
        elif  G >= 90 and G <=100:
            print 'The Readability level is fourth grade'
                 
    print 'This text has %d words' %(words)
    
elif UserFileName not in listOfdir:
    print "This text file does not exist in current directory"
elif not(UserFileName.endswith('.txt')):
         print "This is not a text file."