Ip Sumita Arora Class 12 -

Meera didn't pick up the book. Instead, she picked up a marker and drew a big box on his whiteboard. "This is your main program." Then she drew a smaller box inside. "This is your function."

"Sumita Arora explains it with a chit system on page 187," she said. "A local variable is like a chit passed inside the small box. You can't use it outside. A global variable is like a chit on the main notice board. Everyone sees it." ip sumita arora class 12

Implement a stack using a list.