Challenge: Evaluate Postfix Expression Using a Stack
Explore how to evaluate arithmetic expressions given in postfix notation using a stack. Understand processing operators and operands individually, handling basic arithmetic operations, and ensuring correct integer division. This lesson guides you through implementing a solution suitable for coding interviews with Python.
We'll cover the following...
We'll cover the following...
Statement
Given a string, exp, represents an arithmetic expression in a
exp and return the resulting integer value.
The rules are given below:
The valid operators are
'+','-','*', and'/'.Each operand may be an integer or another expression.
The division ...