Login Verification Dry Run in PYTHON

Login Verification is an interactive PYTHON dry run visualizer from the If programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Login Verification Program Code

USERNAME = "admin"
PASSWORD = "1234"

username = input("Enter username: ")
password = input("Enter password: ")

if username == USERNAME:
    if password == PASSWORD:
        print("Login Successful")
    else:
        print("Invalid Password")
else:
    print("Invalid Username")

View the complete If programs page.