Question

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Replacements for switch statement in python?

I’m making a little console based application in Python and I wanted to use a Switch statement to handle the users choice of a menu selection.

What do you vets suggest I use. Thanks!

Answer 1

Dispatch tables, or rather dictionaries.

You map keys aka. values of the menu selection to functions performing said choices:

def AddRecordHandler():
        print("added")
def DeleteRecordHandler():
        print("deleted")
def CreateDatabaseHandler():
        print("done")
def FlushToDiskHandler():
        print("i feel flushed")
def SearchHandler():
        print("not found")
def CleanupAndQuit():
        print("byez")

menuchoices = {'a':AddRecordHandler, 'd':DeleteRecordHandler, 'c':CreateDatabaseHandler, 'f':FlushToDiskHandler, 's':SearchHandler, 'q':CleanupAndQuit}
ret = menuchoices[input()]()
if ret is None:
    print("Something went wrong!")
menuchoices['q']()

Remember to validate your input! 🙂