Count the frequency of each word in a text file. Let the user choose a filename to read.

Count the frequency of each word in a text file. Let the user choose a filename to read. 3. The program will count the frequency with which each word appears in the text. Words which are the spelled the same but differ by case will be combined. Punctuation should be removed .If the file does not exist, use a 'try-execption' block to handle the error . Output will list the words alphabetically, with the word in the first column and the count in the second column... i.e. as 1287 E:\CSCC\Semesters csCI 1511\Projects\WordFrequencyc:\Python31 python.exe WordFrequency.py what file do you want to process? Smal1File.txt about :: 1 ago :: 1 and : 2 call ::1 having 1 how :: 1 in: 1 interest1 ishmae1 ittle: 2 long: 1 mind :: 1 money :1 my 1 never 1 nothing1 of: 1 on:1 or part :: 1 particular :1 precisely 1 purse 1 sail :: 1 see :1 shore :: 1 some : 1 the : 2 thought:1 watery 1 world ::1 would :: 1 years 1 you want to exit the program? Cyln) Word Frequency Example 1 The IPO chart is listed IPO Chart for the main() function Processing Get's the filename from the user e catches the exception if a file does Input Output NONE NONE and creates the file pointer not exist IPO Chart for the wordFreq) function File pointer creates the data type to store the word and the frequency eliminate punctuation combine the same words that differ by uppercase characters Word frequency data?? IPO Chart for the printOut) function Word count data NONE Prints out the word and it's frequency IPO for WordFrequency.py