comment = "This movie is amazing! #bollywood" if len(comment) > 280: print("Trim your review") if "#" in comment: print("Hashtag detected") Concept from Sumita Arora: List creation, indexing, append, remove, sorting.
time = 21 # 9 PM mood = "tired" if time > 20 or mood == "tired": print("Switch on Netflix and dim lights") Concept from Sumita Arora: String indexing, slicing, len() , upper() , find() , isalpha() . class 11 computer science sumita arora pdf
movie_ratings = "Inception": 9.0, "Barbie": 7.5, "Oppenheimer": 8.8 comment = "This movie is amazing
movie_ratings["Fighter"] = 7.2 # new release print(movie_ratings) Concept from Sumita Arora: if-elif-else , for and while loops. movie_ratings = "Inception": 9
playlist = ["Song A", "Song B", "Song C"] playlist.append("Song D") # user adds a track playlist.remove("Song B") # skip a track print("Now playing:", playlist[0]) Concept from Sumita Arora: Key-value pairs, adding/updating items.
Target Audience: Class 11 CBSE Computer Science students Core Textbook Reference: Computer Science with Python by Sumita Arora (Class 11) Introduction Most students think Sumita Arora’s book is only about passing exams. But the concepts you learn—from Boolean logic to Python strings and lists —are the same ones that run your favorite streaming apps, games, and lifestyle gadgets. This guide bridges the gap between your syllabus and your daily entertainment. 1. Boolean Logic (Ch. 3–4) → Smart Home Automation Concept from Sumita Arora: Truth tables, AND/OR/NOT gates, and Boolean expressions.