PyMenu, Python 3 - rextester

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#python 3.6.9
#PyMenu: example of implementing switch in Python
#this code is created by Rezaul Hoque on April 07,2022.
#contact:jewelmrh@yahoo.com;Dhaka,Bangladesh;https://rezaulhoque.wordpress.com,https://hoquestake.blogspot.com
#note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning;

def menu(choice):
        def setmenu():
                      s1=f'Default package has 2 parathas, 1 scrambled egg and 1 chai. It costs Tk 50.\n'
                      return s1
        def pack1():
                       s2=f'Package 1 has 2 rotis, 1 dal and 1 coffee. It costs Tk 80.\n'
                       return s2
        def pack2():
                       s3=f'Package 2 has 3 slices of bread, jelly, banana and chai. It costs Tk 40.\n'
                       return s3
        def pack3():
                       s4=f'Package 3 has 1 plate of khichri.It costs Tk 60.\n'
                       return s4
        m={
           0: setmenu(),
           1: pack1(),
            2: pack2(),
            3: pack3(),
        }
        return m.get(choice, "not defined")

if __name__== "__main__":
       print(" (0)Set Menu (1)Pack1 (2)Pack2 (3)Pack3")
       choice=int(input("Select\n"))
       print(menu(choice))

[ - ] Show input
Absolute running time: 0.17 sec, cpu time: 0.03 sec, memory peak: 8 Mb, absolute service time: 0,7 sec