Computer Science: Introduction to Python

Introduction

• Class 11 Computer Science syllabus
• Chapter 5: Introduction to Python

About Python

• Python: General purpose high-level programming language
• Human understandable form
• Easier than low level languages

Features of Python

• Free and Open Source
• Case sensitive
• Platform independent
• Code is short and easy

Simple Python Program

• Hello world program in Python
• Use of strings and words

Modes of Programming

• Interactive mode
• Script mode

Character Set of Python

• Valid characters
• Unicode and ASCII code

Tokens and Their Units

• Keywords: Predefined words
• Identifiers: For recognizing variables, functions
• Variables and Literals

Operators

• Arithmetic Operators
  • Addition, Subtraction, Multiplication, Division, Modulus
• Relational Operators
  • Equal, Not equal
• Assignment Operators
• Logical Operators
  • And, Or, Not

Data Types

• List, Tuple, Dictionary, Set

Type Conversion

• Explicit and Implicit Conversion

Error Handling

• Syntax error
• Logic error
• Runtime error

Conclusion

• Understanding the basic elements of Python programming
• Implementation and practical tips
• Connect with the Telegram channel for videos and notes

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Note: These notes are prepared based on videos and can be a useful resource for beginner Python students.