<reponame>alamin-cse/play-with-python<filename>tasks/mystery.py
def double(arg):
	print('Before: ', arg)
	arg = arg*2
	print('After: ', arg)

def change(arg):
	print('Before: ',arg)
	arg.append('More Data')
	print('After ', arg)

def double(arg):
	print('Before: ', arg)
	arg = arg*2
	print('After: ', arg)

def change(arg):
	print('Before: ',arg)
	arg.append('More Data')
	print('After ', arg)