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python
4 years ago
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class TupleMenu(): def __init__(self): self.user_tuple = tuple(("Chevy", "Ford", "Hyundai", "Mazda",)) self.menuoptions() def menuoptions(self): options = { "1": self.createentry, "2": self.readentries, "3": self.updateentry, "4": self.deleteentry } choice = input( """Which operation would you like to perform?\n 1. Create Entry\n 2. Read Entries\n 3. Update Entry\n 4. Delete Entry\n\n Choice: """) if choice not in options: self.menuoptions() options[choice]() def createentry(self): val = input("What would you like to insert?: ") print(f"\n{val}: pair has been added\n") self.user_tuple += val self.menuoptions() def updateentry(self): upd = input(f"What would you like to update?\n (0-{len(self.user_tuple)} OR specify a string): ") new_val = input(f"What would you like the new value of {upd} to be?: ") mutable = list(self.user_tuple) if not upd.isdigit(): try: for ind, val in enumerate(mutable): if val == upd: mutable[ind] = new_val self.user_tuple = tuple(mutable) except: print("That value doesn't exist!") else: mutable[int(upd)] = new_val self.user_tuple = tuple(mutable) return self.menuoptions() def readentries(self): for val in self.user_tuple: print(f"\n{val}\n") return self.menuoptions() def deleteentry(self): val = input(f"What value would you like to delete? (0-{len(self.user_tuple)} OR specify a string): ") mutable = list(self.user_tuple) if not val.isdigit(): mutable.remove(val) else: mutable.pop(int(val)) self.user_tuple = tuple(mutable) self.menuoptions() new_tuple = TupleMenu()
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