Course Content
Module 2: Variables and Data Types
๐ŸŽฏ 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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Topic 3: Control Flow
๐ŸŽฏ 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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Module 4: Control Flow
๐ŸŽฏ 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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Module 5: Functions
๐ŸŽฏ Module Objective: This module helps learners understand how to organize code using functions. Theyโ€™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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Module 6: Lists and Tuples
๐ŸŽฏ Module Objective: This module introduces learners to two important data collection types in Python โ€” 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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Module 7: Dictionaries and Sets
๐ŸŽฏ Module Objective: This module introduces two powerful Python data types: Dictionaries: for storing keyโ€“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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Module 8: File Handling
๐ŸŽฏ Module Objective: This module introduces learners to the basics of file handling โ€” 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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๐Ÿ› ๏ธ Module 9: Error Handling in Python
๐ŸŽฏ Module Objective: This module introduces learners to error handling in Python โ€” 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 doesnโ€™t crash when unexpected issues occur
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Module 10: Final Project
๐ŸŽฏ Module Objective: To help learners consolidate and apply all the skills theyโ€™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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Python for Absolute Beginners: From Zero to Hero
About Lesson

๐ŸŽฏ Learning Objectives

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

  • Use if, elif, and else statements in Python

  • Create programs that make decisions based on user input or conditions

  • Understand Boolean expressions and nesting conditions

  • Apply logical operators within conditionals


๐Ÿ“š Lesson Content


๐Ÿ”น Why Use If-Else?

Programs often need to make decisions. For example:

  • If the user is 18 or older, allow login

  • If a number is even, do one thing; if odd, do another

In Python, we use if-elif-else statements to handle these decisions.


๐Ÿ”ธ Basic Syntax of If-Else:

python
if condition:
# code block (runs if condition is True)
elif another_condition:
# code block
else:
# code block (runs if all above conditions are False)

๐Ÿ”‘ Note: Indentation is required โ€” typically 4 spaces.


๐Ÿ”ธ Example 1: Simple If-Else

python
age = int(input("Enter your age: "))

if age >= 18:
print("You are eligible to vote.")
else:
print("You are not eligible to vote.")


๐Ÿ”ธ Example 2: If-Elif-Else

python
marks = int(input("Enter your score: "))

if marks >= 90:
print("Grade A")
elif marks >= 75:
print("Grade B")
elif marks >= 60:
print("Grade C")
else:
print("Failed")


๐Ÿ”น Using Logical Operators in Conditions

python
age = 25

if age > 18 and age < 60:
print("Working age group")

You can combine multiple conditions using and, or, and not.


๐Ÿ”ธ Nested If-Else Statements

One if block inside another:

python
num = int(input("Enter a number: "))

if num > 0:
if num % 2 == 0:
print("Positive even number")
else:
print("Positive odd number")
else:
print("Not a positive number")


โš ๏ธ Common Mistakes to Avoid

Mistake Why it’s Wrong
Missing : after if or else SyntaxError
Incorrect indentation IndentationError
Using assignment = instead of comparison == Logical bug

๐Ÿ“ Assignment / Practice

Write a program that:

  • Asks for the user’s age

  • If age < 13: print “Child”

  • If age between 13 and 19: print “Teenager”

  • If age between 20 and 60: print “Adult”

  • Else: print “Senior Citizen”

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