Introduction to Python

Section 1: Introduction to Python

1.1 Introduction to Python

• What is Python and why it’s popular
• Installing Python and setting up the environment
• Running Python programs (scripts vs. interactive mode)

1.2 Variables & Basic Syntax

• Naming rules and conventions
• Assigning values
• Multiple assignment
• Comments and indentation

1.3 Data Types

• Built-in data types overview
• int, float, str, bool, None

1.4 Working With Numbers

• Basic arithmetic
• Division types (/ and //)
• Modulo %
• Order of operations
• Type conversion (int(), float())

1.5 Strings

• Creating and printing strings
• Escape characters and raw strings
• String slicing and indexing
• String methods (upper(), split(), etc.)
• f-strings and string formatting

1.6 Collections

• Lists: indexing, slicing, modification, list methods, list comprehensions (intro)
• Tuples: immutability, use cases, unpacking
• Dictionaries: key
• value pairs, updating values, looping
• Creating sets, unique elements, operations (union, intersection, difference)

Section 2

• Python Control Flow, Functions & OOP

2.1 Conditionals

•  if statements
• else and elif
• Nested conditionals
• Truthiness and falsiness

2.2 Loops

• for loops
• while loops
• Loop control: break, continue, pass
• Looping through lists, strings, dictionaries

2.3 Functions

• Defining functions
• Parameters and return values
• Default arguments
• Keyword vs positional arguments
• Variable-length arguments (*args, **kwargs)
• Scope (local vs global)

2.4 Working With Files

• Reading files (open, read, readlines)
• Writing files (write, writelines)
• Using with for safe file handling

2.5 Error Handling

• Common error types
• try
• except blocks
• else and finally
• Raising exceptions
• Creating custom error messages

2.6 Introduction to Classes and OOP

• What is OOP?
• Classes and objects
• Defining a class
• Constructors (__init__)
• Attributes and methods
• Encapsulation
• Basic inheritance
• Method overriding