d = {"byte": "Omar"}a dictionary: key → value d = {}an empty dictionary d["byte"]look up a key, gives "Omar" d["nyx"] = "Sam"add a new key, or change an old one del d["viper"]remove a key "nyx" in dTrue if the key is there. Check before you look up! KeyErroryou looked up a key that is not there for key in d:walk through every key d[key]…and get its value len(d)how many keys d[k] = d[k] + 1count up x = ""empty text, add to it with + a or bTrue if at least one is true not inTrue if it is missing input("Name? ")ask in the terminal, gives text