# Menu Driven Python program for opening the required software Application # import os libraryimport os# infinite while loopwhile True:    print("Hello! user choose your tool")    print("Choose your tool :-\n")    print("-> mousepad")    print("-> chrome")    print("-> vlc")    print("-> virtualbox")    print("-> camera")    print("-> telegram")    print("-> firefox")    print("-> codeblocks")    print("-> screenshot")    print("-> task-manager")    print("-> libreoffice impress / presentation")    print("-> libreoffice writer / text editor / notepad")    print("-> libreoffice clac / spreadsheets")    print("-> libreoffice")    print("-> jupyter notebook\n")    print("chat with system:-",end=' ')         # take input from user    p = input()           # check conditions    if (("do not" in p) or ("dont" in p) or ("don't" in p)):        print("OK user\n")             elif (("open" in p) or ("start" in p) or ("run" in p) or ("execute" in p) or ("launch" in p) or ("activate" in p)):                 if (("mousepad" in p) or ("editor" in p)):                       # run mention application            os.system("mousepad")                     elif (("vlc" in p) or ("media player" in p)):            os.system("vlc")                     elif (("virtualbox" in p) or ("virtual machine" in p) or ("virtual tool" in p)):            os.system("virtualbox")                     elif (("camera" in p) or ("cheese" in p)):            os.system("cheese")                     elif ("telegram" in p):            os.system("telegram-desktop")                     elif ("codeblocks" in p):            os.system("codeblocks")                     elif ("taskmanager" in p):            os.system("xfce4-taskmanager")                     elif ("screenshot" in p):            os.system("xfce4-screenshooter")                     elif (("jupyter" in p) or ("notebook" in p)):            os.system("jupyter notebook")                     elif (("libreoffice impress" in p) or ("presentation tool" in p)):            os.system("libreoffice --impress")                     elif (("libreoffice writer" in p) or ("text editor" in p)):            os.system("libreoffice --writer")        elif ("notepad" in p):            os.system("notepad")                     elif (("libreoffice calc" in p) or ("spreadsheet" in p)):            os.system("libreoffice --calc")                     elif ("libreoffice" in p):            os.system("libreoffice")                     elif ("chrome" in p):            os.system("google-chrome-stable")                     elif (("firefox" in p) or ("mozilla" in p)):            os.system("firefox")                     else :            print("don't support")         # terminating infinite while loop    elif (("quit" in p) or ("exit" in p) or ("stop" in p) or ("close" in p) or ("deactivate" in p) or ("terminate" in p)):        print("Thnank You!")        break             else :        print("don't support")