PyPackMenuClass, Python 3

PyPackMenuClass

#python 3.6.9

#PyPackMenuClass: example of switch using class where menu items are defined outside the menu class
#this code is created by Rezaul Hoque on April 14,2022.
#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;

class SetMenu:
         
         def __repr__():
              s1=f'Default package has 2 parathas, 1 scrambled egg and 1 chai. It costs Tk 50.\n'
              return s1

class Package1:
        
         def __repr__():
           s2=f'Package 1 has 2 rotis, 1 dal and 1 coffee. It costs Tk 80.\n'
           return s2
class Package2:
        
         def __repr__():
             s3=f'Package 2 has 3 slices of bread, jelly, banana and chai. It costs Tk 40.\n'
             return s3

class Package3:
        
         def __repr__():
            s4=f'Package 3 has 1 plate of khichri.It costs Tk 60.\n'
            return s4

class Menu(object):
        def pack_0(self):
               print(f'{SetMenu.__repr__()}')
                      
        def pack_1(self):
               print(f'{Package1.__repr__()}')
        def pack_2(self):
               print(f'{Package2.__repr__()}')   
        def pack_3(self):
               print(f'{Package3.__repr__()}')
         
        def getMethod(self,op):
               calmethod="pack_"+str(op)
               method=getattr(self,calmethod,lambda :'Insert number between 0 and 4')
               return method()

t=Menu()
print(" (0)Set Menu (1)Pack1 (2)Pack2 (3)Pack3")
choice=int(input("Select\n"))
print(t.getMethod(choice))


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