def main():
print('Available Options: C=Create, R=Read, U=Update, D=Delete ')
choice = input('Choose your option = ')
if choice == 'C':
createObj=Create()
createObj.create_data()
elif choice == 'R':
readObj = Read()
readObj.read_data()
elif choice == 'U':
updateObj = Update()
updateObj.update_data()
elif choice == 'D':
deleteObj = Delete()
deleteObj.delete_data()
else:
print('Wrong choice, You are going exist.')
