Write a Program to create a Dynamic Dictionary (Key–Value Input & Display)

data = {}

while True:
    print("\n--- Dictionary Menu ---")
    print("1. Add / Update Element")
    print("2. Delete Element")
    print("3. Search Element")
    print("4. Display Dictionary")
    print("5. Exit")

    choice = int(input("Enter your choice: "))

    if choice == 1:
        key = input("Enter key: ")
        value = input("Enter value: ")
        data[key] = value
        print("Element added/updated successfully")

    elif choice == 2:
        key = input("Enter key to delete: ")
        if key in data:
            del data[key]
            print("Element deleted successfully")
        else:
            print("Key not found")

    elif choice == 3:
        key = input("Enter key to search: ")
        if key in data:
            print("Value:", data[key])
        else:
            print("Key not found")

    elif choice == 4:
        if len(data) == 0:
            print("Dictionary is empty")
        else:
            print("Dictionary Contents:")
            for k, v in data.items():
                print(k, ":", v)

    elif choice == 5:
        print("Exiting program")
        break

    else:
        print("Invalid choice")