Скачать или смотреть 📌 String Manipulation in Python | Class 11 | Master Python Strings I CS-083

📌 String Manipulation in Python | Class 11 | Master Python Strings

Welcome to this comprehensive lecture on String Manipulation in Python, crafted especially for Class 11 students! 🚀 Strings are one of the most important data types in Python, and mastering string manipulation is essential for writing efficient programs. In this lecture, we’ll dive deep into the concepts, methods, and practical applications of working with strings.

📖 What You Will Learn in This Lecture?
✅ Introduction to Strings: What are strings and their significance in Python?
✅ String Creation: Different ways to define and initialize strings.
✅ String Indexing & Slicing: Accessing individual characters and extracting portions of a string.
✅ String Operations: Performing operations like:

Concatenation (Joining two or more strings).

Repetition (Repeating strings using the * operator).

Membership Testing (in and not in operators).
✅ String Methods & Functions: Explore useful built-in functions such as:

len() – Finding the length of a string.

lower() and upper() – Changing case.

strip(), lstrip(), rstrip() – Removing whitespace.

find() and index() – Locating substrings.

replace() – Replacing content within a string.

count() – Counting occurrences of a substring.
✅ String Immutability: Understanding why strings in Python cannot be changed directly.
✅ Traversing a String: Iterating through strings using loops (for and while loops).
✅ String Formatting: Learn to format strings using:

f-strings (Modern approach).

format() method (Traditional method).
✅ Escape Sequences: Using special characters like \n, \t, and others.

🎯 Why Should You Watch This Lecture?
✅ Simplified Learning: Every concept is explained in a clear, beginner-friendly way.
✅ Comprehensive Coverage: Follows the Class 11 Computer Science curriculum.
✅ Practical Demonstrations: Real-time coding examples for hands-on understanding.
✅ Exam-Oriented: Learn the most important questions and methods frequently asked in exams.

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