Demo of a main menu for choose a option from a Python script.

gistfile1.py

# -*- coding: utf8 -*-

def menu():
    ''' Main menu to choose an item '''
    
    chosen_element = 0;
    
    print "#############################################################################"
    print "########                                                             ########"
    print "########               My Company Super Client Number 1'             ########"
    print "######## ----------------------------------------------------------- ########"
    print "######## Customer relationship management for Super Client Number 1  ########"
    print "######## ----------------------------------------------------------- ########"
    print "########                                                             ########"
    print "########                    Choose a option:                         ########"
    print "########                                                             ########"
    print "########        1) Add a Customer  |  2) Search a Customer           ########"
    print "########      3) Update Customers  |  4) Delete a Customer           ########"
    print "########      5) Exit                                                ########"
    print "########                                                             ########"
    print "#############################################################################"
    chosen_element = input("Enter a number from 1 to 5: ")
    
    if int(chosen_element) == 1:
        print('Adding a Customer!!!')
    elif int(chosen_element) == 2:
        print('Searching a Customer!!!')
    elif int(chosen_element) == 3:
        print('Update Customers!!!')
    elif int(chosen_element) == 4:
        print('Delete a Customer!!!')
    elif int(chosen_element) == 5:
        sys.exit()
    else:
        print('Sorry, the value entered must be a number from 1 to 5, then try again!')

if __name__ == '__main__':
    ''' Python script main function '''
    
    menu()