Case Sensitivity in Variable Names Dry Run in PYTHON

Case Sensitivity in Variable Names is an interactive PYTHON dry run visualizer from the Identifiers 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.

Case Sensitivity in Variable Names Program Code

# Python is case-sensitive: capital letters change the identifier
marks = 80
Marks = 95
MARKS = 100

# They are three completely different variables
print("marks:", marks)
print("Marks:", Marks)
print("MARKS:", MARKS)

View the complete Identifiers programs page.