This book is Progress in Computer Science with Python: Practical Book for Class XI, an English medium (अंग्रेज़ी माध्यम) title by Sumita Arora, published by Dhanpat Rai & Co. as per the CBSE syllabus for the 2026-27 session. It is written entirely in English (Roman script), with no Hindi content. Sumita Arora's books are among the most widely used names for CBSE computer subjects, and this practical book supports the complete Class 11 Computer Science course — computer systems and organisation, computational thinking and programming with Python, and society, law and ethics. It gives practical assignments with problem statements, Python program code, sample outputs and space for recording, so students can build and maintain their practical file, and QR codes in the book can be scanned with the SIPO app for additional digital support. Key Features: English medium book — complete content written in English (Roman script), no Hindi content By Sumita Arora, published by Dhanpat Rai & Co. As per the CBSE syllabus for Class 11 (Class XI) Computer Science, 2026-27 session Practical book — ready-to-use format for the CBSE practical file Covers computer systems and organisation Covers computational thinking and programming with Python Covers society, law and ethics Practical assignments with problem statements, Python code and sample outputs Space provided for writing programs, outputs and observations SIPO app QR codes for scanning and accessing digital support Viva and practical examination support Suitable for CBSE Class 11 practical examination and internal assessment 'Progress in Computer Science with Python — Practical Book for Class XI' सुमिता अरोड़ा द्वारा लिखी गई है और Dhanpat Rai & Co. द्वारा प्रकाशित है। यह पुस्तक सत्र 2026-27 हेतु CBSE कक्षा 11 (Class XI) के Computer Science विषय के CBSE पाठ्यक्रम के अनुसार तैयार की गई है। इसमें कंप्यूटर सिस्टम एवं संगठन, कम्प्यूटेशनल थिंकिंग एवं Python प्रोग्रामिंग तथा समाज, विधि एवं नैतिकता (Society, Law and Ethics) को कवर किया गया है, साथ ही प्रोग्राम कोड, आउटपुट सहित प्रायोगिक असाइनमेंट, प्रैक्टिकल फाइल हेतु प्रारूप तथा SIPO ऐप द्वारा QR कोड स्कैन कर डिजिटल सहायता भी उपलब्ध है। ध्यान दें: यह पुस्तक पूर्णतः अंग्रेज़ी भाषा एवं रोमन लिपि में है, हिन्दी में नहीं।