def add_talk_by_prompt(self):
print "------------------------------ Adding a Talk -------------------------------\n"
presentation = Presentation("")
presentation.title = raw_input("Type the presentation title: ").strip()
while(not len(presentation.title) > 0):
presentation.title = raw_input("Please, type the presentation title: ").strip()
presentation.speaker = raw_input("Type the presentation speaker: ").strip()
while(not len(presentation.speaker) > 0):
presentation.speaker = raw_input("Please, type the presentation speaker: ").strip()
presentation.description = raw_input("Type the presentation description or press <ENTER> to pass: "******"Type the speaker level or press <ENTER> to pass: "******"Type the event that held the presentation or press <ENTER> to pass: "******"Type the room where the presentation will be performed or press <ENTER> to pass: "******"Type the presentation time (format: dd/MM/yyyy HH:mm) or press <ENTER> to pass: "******"Wrong date format, please type the presentation time (format: dd/MM/yyyy HH:mm) or press <ENTER> to pass: "******"###################### Talk Added ############################"
else:
print "############### Error: Talk Already Exists ###################"
