Learn Stacks and Queues in Python Python Snippets for Learning Stacks and Queues Stacks # Creating a Stack stack = [] # Pushing elements stack.append(3); stack.append(7); stack.append(5) # Popping elements stack.pop() # Checking if stack is empty is_empty = not stack # Getting the top element without popping top_element = stack[-1] if stack else None …
Learn Stacks and Queues in Python Python Snippets for Learning Stacks and Queues Stack # Creating a Stack stack = [] # Pushing elements onto the Stack stack.append(3) stack.append(7) stack.append(5) print(“Stack after Push:”, stack) # Output: [3, 7, 5] # Popping elements from the Stack stack.pop() print(“Stack after Pop:”, stack) # Output: [3, 7] Queue …
Stacks and Queues Understanding Stacks and Queues Stack (Last In, First Out) A stack is like a stack of plates. You place plates on top, and when you need one, you take the one from the top. Start: [] Push 3, 7, 5: [3, 7, 5] Pop: [3, 7] Push 9: [3, 7, 9] Pop: …
