CHAPTER 10 BATTERIES INCLUDED 233 pid =
CHAPTER 10 BATTERIES INCLUDED 233 pid = raw_input(’Enter unique ID number: ‘) person = {} person[’name’] = raw_input(’Enter name: ‘) person[’age’] = raw_input(’Enter age: ‘) person[’phone’] = raw_input(’Enter phone number: ‘) db[pid] = person def lookup_person(db): “”" Query user for ID and desired field, and fetch the corresponding data from the shelf object “”" pid = raw_input(’Enter ID number: ‘) field = raw_input(’What would you like to know? (name, age, phone) ‘) field = field.strip().lower() print field.capitalize() + ‘:’, db[pid][field] def print_help(): print ‘The available commands are:’ print ’store : Stores information about a person’ print ‘lookup : Looks up a person from ID number’ print ‘quit : Save changes and exit’ print ‘? : Prints this message’ def enter_command(): cmd = raw_input(’Enter command (? for help): ‘) cmd = cmd.strip().lower() return cmd def main(): database = shelve.open(’C:\database.dat’) try: while True: cmd = enter_command() if cmd == ’store’: store_person(database) elif cmd == ‘lookup’: lookup_person(database) elif cmd == ‘?’: print_help() elif cmd == ‘quit’: return finally: database.close() if __name__ == ‘__main__’: main()
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