Lecture 16 | Try Except and File Handling in Python | Unit 2: Class 11 Computer Science | PECTAA

🎓 Lecture 16 | Unit 2: Python Programming — Advanced Concepts, Testing & Debugging in Python
Welcome to another exciting lecture of Class 11 Computer Science (PECTAA 2025–2026 Edition)! 🚀
In this video, we’ll dive deep into Advanced Python Programming, focusing on Testing, Debugging, Error Handling, and File Handling — all explained with simple examples and Urdu/English explanations.

📘 Topics Covered:
✅ What is Debugging in Python?
✅ Understanding Errors and Exceptions
✅ Using Try–Except Blocks for Error Handling
✅ ZeroDivisionError Example (Handling Division by Zero)
✅ File Handling in Python — Opening, Reading, Writing, and Appending Files
✅ Working with “with open()” statement safely
✅ Real examples explained step-by-step

🧠 Code Examples from Lecture:

a = int(input("Enter any number "))
try:
result = 10 / a
print(f"Division of 10 by {a} = ", result)
except ZeroDivisionError:
print("You can't divide by zero!")

# Reading a file
with open("example.txt", "r") as file:
content = file.read()
print(content)

# Writing to a file
with open("example.txt", "w") as file:
file.write("As-Salaam-Alaikum, World!\n")

# Appending to a file
with open("example.txt", "a") as file:
file.write("Appending new line.\n")
print(content)

🎯 Perfect for:
👨‍🎓 Class 11 / ICS Students
💻 Python Beginners & Learners
📚 Teachers and Self-Learners

💡 Watch till the end to master Python debugging & file handling concepts in a simple and practical way!

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Видео Lecture 16 | Try Except and File Handling in Python | Unit 2: Class 11 Computer Science | PECTAA канала Bukhari Information Technology System (BITS)