The program should have the following functions:a$.$ A function to read data from a file and returns a list of words in a file.b$.$ A function that creates a list of unique words from a file and returns it$.$c$.$ A function that creates a list of union of words in two files and returns it$.$d$.$ A function that creates a list of common words in two files and returns it$.$e$.$ A function that creates a list of words in one file but not in another file and returns it$.$f$.$ A function that prints in tabular format the count of each word in a file.g$.$ Main function to call all the above functions.h$.$ A function to write data from a list to a file. Make sure you remove punctuations at the end of each word. Do not Use set operations to perform the above analyses. Grading Criteria:$2$ points for each function $($a f$)4$ points for each function $($g h$)2$ points will be deducted if punctuations are not removed$\mathrm{.}10$ points will be deducted if you use set operations. Here is sample run for input files, file$1.$txt and file$2.$txt: file$1.$txtone, two, three, four, five;six seven:eight!nine ten eleven:twelve?one two three.File$2.$txtone, two, three four five, sixanotherseven!anothereight?nine ten eleventwelve:ten eleven twelve; Output in shell:Enter the name of the first input file: file$1.$txtEnter the name of the second input file: file$2.$txtdata saved in fileAnalysis.txt Output in file: