defaultdict for Grouping Dry Run in PYTHON

defaultdict for Grouping is an interactive PYTHON dry run visualizer from the Collection 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.

defaultdict for Grouping Program Code

from collections import defaultdict

students = [("CSE", "Ravi"), ("ECE", "Kiran"), ("CSE", "Divya")]
groups = defaultdict(list)

for branch, name in students:
    groups[branch].append(name)

print(dict(groups))

View the complete Collection programs page.