Course Content
Topic 1: Introduction to Python
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Lesson 1.1: What is Python and Why Learn It?
Lesson 1.2: Writing Your First Python Program
Module 2: Variables and Data Types
🎯 Module Objective: To help learners understand how to store, manage, and work with different types of data in Python using variables, and how to recognize and convert between data types.
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Lesson 2.1: Variables and Assignment
Lesson 2.2: Data Types in Python
Lesson 2.3: Type Conversion and Input
Topic 3: Control Flow
🎯 Module Objective This module introduces learners to Python operators used in calculations, comparisons, and logic. Learners will understand how expressions are evaluated and how to build logical conditions using operators.
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Lesson 3.1: Arithmetic Operators
Lesson 3.2: Comparison and Logical Operators
Module 4: Control Flow
🎯 Module Objective: This module introduces the concept of decision-making and repetition in Python programs using: if-else statements for loops while loops break, continue and basic loop control
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Lesson 4.1: If-Else Statements
🔁 Lesson 4.2: Loops (For and While)
🔂 Lesson 4.3: Break and Continue in Loops
Module 5: Functions
🎯 Module Objective: This module helps learners understand how to organize code using functions. They’ll learn how to: Create and call functions Use parameters and return values Understand the concept of scope Get introduced to recursion
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🔧 Lesson 5.1: Defining and Calling Functions
🔁 Lesson 5.2: Scope and Recursion
Module 6: Lists and Tuples
🎯 Module Objective: This module introduces learners to two important data collection types in Python — lists and tuples. Learners will: Create, access, and modify lists Use list methods like append(), remove(), sort() Understand the difference between mutable (lists) and immutable (tuples)
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🧺 Lesson 6.1: Introduction to Lists
🔒 Lesson 6.2: Tuples and Immutability
Module 7: Dictionaries and Sets
🎯 Module Objective: This module introduces two powerful Python data types: Dictionaries: for storing key–value pairs Sets: for storing unordered, unique items Learners will: Understand the syntax and usage of dictionaries and sets Perform operations like adding, removing, updating Use dictionary methods (get(), update(), keys(), values())
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🗂️ Lesson 7.1: Python Dictionaries
🔣 Lesson 7.2: Python Sets
Module 8: File Handling
🎯 Module Objective: This module introduces learners to the basics of file handling — reading from and writing to text files using Python. Learners will: Open and read from a file Write to and append content in a file Use the with statement for safe file handling
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📂 Lesson 8.1: Reading and Writing Files
🛠️ Module 9: Error Handling in Python
🎯 Module Objective: This module introduces learners to error handling in Python — a critical skill for writing stable and reliable programs. Learners will: Understand what exceptions are Learn how to use try, except, else, and finally Handle common Python errors (e.g., ZeroDivisionError, ValueError, FileNotFoundError) Write code that doesn’t crash when unexpected issues occur
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🛑 Lesson 9.1: Try-Except Block
Module 10: Final Project
🎯 Module Objective: To help learners consolidate and apply all the skills they’ve gained throughout the course by building a small, real-world project. Upon successful completion, learners can earn a course completion certificate via Tutor LMS.
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🗂️ Lesson 10.1: Option 1: Student Report Card Generator
📅 Lesson 10.2: Option 2: To-Do List Manager (with File Storage)
🧮 Lesson 10.3: Option 3: Simple Calculator App
Lesson 10.4: Course Recap
Python for Absolute Beginners: From Zero to Hero
About Lesson

🎯 Learning Objectives

By the end of this lesson, learners will be able to:

  • Open and close text files using open() and with statement

  • Read the content of files using .read(), .readline(), and .readlines()

  • Write and append data to files using .write() and "w" / "a" modes

  • Safely manage files using the with context manager

📚 Lesson Content

🔹 What is File Handling?

File handling allows a Python program to store, retrieve, and manipulate data in external text files.

Python provides built-in methods for:

  • Reading data ("r" mode)

  • Writing data ("w" mode)

  • Appending data ("a" mode)

🔸 Opening a File with open()

Syntax:

python
file = open("filename.txt", "mode")
Mode Description
"r" Read (default); error if file doesn’t exist
"w" Write; creates a new file or overwrites
"a" Append; adds to the file
"x" Create; error if file already exists
"r+" Read and write

🔸 Reading from a File

✅ Read the whole file:

python
file = open("data.txt", "r")
content = file.read()
print(content)
file.close()

✅ Read one line at a time:

python
file = open("data.txt", "r")
line1 = file.readline()
print(line1)
file.close()

✅ Read all lines as a list:

python
file = open("data.txt", "r")
lines = file.readlines()
print(lines)
file.close()

🔸 Using with Statement (Best Practice)

python
with open("data.txt", "r") as file:
content = file.read()
print(content)

✅ with automatically closes the file when done — safer and cleaner!

🔸 Writing to a File

python
with open("output.txt", "w") as file:
file.write("Hello, world!n")
file.write("This is a new file.")

⚠️ "w" mode overwrites existing file content.

🔸 Appending to a File

python
with open("output.txt", "a") as file:
file.write("nAdding a new line.")

"a" mode adds to the end of the file without erasing existing data.

🔁 Summary of Reading Methods

Method Description
.read() Reads entire file as a string
.readline() Reads the next single line
.readlines() Reads all lines as a list

🧠 Mini Practice

Create a file called notes.txt and:

  1. Write three lines into it using "w" mode

  2. Open it again in "a" mode and add one more line

  3. Read and print the entire content using with open(...)

📝 Assignment

  1. Create a file named diary.txt

  2. Write a short entry (3 lines) using "w" mode

  3. Append a second entry using "a" mode

  4. Read the file and print its contents line by line

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