pip install json
 pip install pyttsx3
 pip install os
 pip install difflib
 pip datetime

 Tkinter -- for creating GUI
 json -- for loading the JSON data
 difflib.get_close_matches -- for getting the closest match of a misspelled word.
 pandas -- for reading csv file
 io -- for dealing with input and output
 pyttsx3 - for text to speech
 speech_recognition - for speech to text
 pyaudio - for speech to text