5.4 Geek Translator - Dictionaries.py

# Geek translator - Dictionaries
# Demonstrates using dictionaries

geek = {"404": "clueless. From the web error message 404, meaning page not found.", "Googling":
      "searching the Internet for background information on a person.","Keyboard Plaque":
      "the collection of debris found in computer keyboards.","Link Rot":"the process by which web page links become obsolete.",
      "Percussive Maintenance":"the act of striking an electronic device to make it work.",
      "Uninstalled": "being fired. Especially popular during the dot-bomb era."}

choice = None

while choice != "0":
    print(
    """
    Geek Translator

    0 - Exit
    1 - Look up a Geek Term
    2 - Add a Geek Term
    3 - Redefine a Geek Term
    4 - Delete a Geek Term
    5 - Show all terms
    """
    )
    choice = input("Choice:" )
    print()

    # exit
    if choice == "0":
        print("Good-bye.")
    # get a definition
    elif choice == "1":
        term = input("What term do you want me to translate?: ")
        
        if term in geek:
            definition = geek[term]
            
            print("\n", term, "means", definition)
        else:
            print("\nSorry, I don't know", term)
    # add a key-value pair
    elif choice == "2":
        term = input("What term do you want me to add?: ")
        if term not in geek:
            definition = input("\nWhat's the definition?: ")
            geek[term] = definition
            print("\n", term, "has been added.")
        else:
            print("\nThat term already exists! Try redefining it.")
    # replace a key-value pair
    elif choice == "3":
        term = input("What term do you want me to redefine?")
        if term in geek:
            definition = input("What's the new definition?")
            geek[term] = definition
            print("\n", term, "has been redefined.")
        else:
            print("\nThat term doesn't exist! Try adding it.")
    # delete a key-value pair
    elif choice == "4":
        term = input("What term do you want me to delete?: ")
        if term in geek: # Check it exists otherwise you'll get an error
            del geek[term]
            print("\nOkay, I deleted", term)
        else:
            print("\nI can't do that!", term, "Doesn't exist in the dictionary.")
    # show all terms
    elif choice == "5":
        for key in geek.keys():
            print(key)
    # some unknown choice
    else:
        print("\nSorry, but", choice, "isn't a valid choice.")
input ("\n\nPress the enter key to exit.")