CTRL+V V2

def displayChoices():
    print("Events Dictionary", 
          "A) Add an event", 
          "U) Update an event", 
          "D) Delete an event", 
          "P) Print the events",
          "Q) Quit",
          sep="\n   ")
    
def displayEvents(eventDict: dict) -> None:
    keys = list(eventDict.keys())
    keys.sort()
    for key in keys:
        print(key, "occurs on", eventDict[key])

def addEvent(eventDict: dict) -> None:
    event = input("Enter an event: ").title()
    if event in eventDict:
        print(event, "is already in the events dictionary")
    else:
        date = input("Enter the date: ").title()
        eventDict[event] = date
        print(event, "has been added to the events dictionary")

def updateEvent(eventDict: dict) -> None:
    event = input("Enter an event: ").title()
    if not event in eventDict:
        print(event, "is not in the events dictionary")
    else:    
        date = input("Enter the date: ").title()
        eventDict[event] = date
        print(event, "has been updated to", date)

def deleteEvent(eventDict: dict) -> None:
    event = input("Enter an event: ").title()
    if not event in eventDict:
        print(event, "is not in the events dictionary")
    else:
        eventDict.pop(event)
        print(event, "was deleted from the events dictionary") 
    
if __name__ == "__main__":
    eventDict = {}
    eventDict["Labor Day"] = "September 4, 2023"
    eventDict["Memorial Day"] = "May 29, 2023"

    displayChoices()
    choice = input("Choice: ").lower()
    while choice != "q":
        if choice == "a":
            addEvent(eventDict)
        elif choice == "u":
            updateEvent(eventDict)
        elif choice == "d":
            deleteEvent(eventDict)
        elif choice == "p":
            displayEvents(eventDict)
        else:
            print("Invalid choice")

        choice = input("Choice: ").lower()