Please use Python for this assignment..

Assignment 2 on Chapters 4 and 5 Write a program that prints file names with a given extension. File extension is provided as an inpu List of files A1.txt B1.py C1.txt D1.doc E1.html F1.py G1.html (Save the module as Prob 1) 2. Write a script that inputs a line of plaintext and a distance value and outputs an encrypted text using a Caesar cipher (Save the module as Prob 2a). Write a script that inputs a line of encrypted text and a distance value and outputs plain text using a Caesar cipher (Save the module as 2b). 3. Write a code that gives: i) number of words ii) number of sentences i) average sentence size iv) average word size iv) words beginning with si or co and size greater than 9 in a text file. Use IOT.txt file to test the code. (Save the module as Prob 3