EssayScanner.py

import sys

def main():
    readfile()

def readfile():
    file=sys.argv[1] #get the file from the argument
    f=open(file,"r") #opens the file essay.txt
    report=f.read()
    checkfile(report)
    f.close()
def checkfile(report):
    a=0
    endofsentence=0
    count=len(report)
    for a in range(0,count):
        if report[a]=='.'or report[a]==','or report[a]=='!'or report[a]==';':
            endofsentence+=1

    words=report.split()
    print(words)

    validwords=0
    testword=0
    b=0
    for a in words:
        testword=words[b]
        testword=len(testword)
        if testword >=3:
           validwords+=1
        b+=1


    numberwords=len(words)
    print("The number of words is",len(words),"The total number of valid words is", validwords)
    print("The average number of words per sentence is",validwords/endofsentence)


main()