Method pop

Stack_structure/main.py:21–28

(self)

		self.top = new_node

	def pop(self):
		# If there is no data in the top node, we return
		if self.top == None:
			print ("There is no item on the stack to unstack")
			return

		print(f"Unstack {self.top.data}")
		self.top = self.top.next

	def printData(self):
		print("Printing stack: ")