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Computer Science
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Python Programming
1. Introduction to Python
2. Core Language Fundamentals
3. Control Flow
4. Functions
5. Data Structures in Depth
6. Modules and Packages
7. File Input/Output
8. Error and Exception Handling
9. Object-Oriented Programming
10. Advanced Python Concepts
11. Application Areas
Modules and Packages
Module System
Module Concept
Code Organization
Namespace Management
Code Reusability
Importing Modules
import Statement
from import Statement
import with Aliases
Selective Imports
Module Search Path
sys.path
PYTHONPATH Environment Variable
Module Location Resolution
Module Execution
name Variable
Script vs Module Execution
if name == "main"
Standard Library
Mathematical Modules
math Module
Mathematical Functions
Constants
random Module
Random Number Generation
Random Choices
Probability Distributions
Date and Time
datetime Module
Date Objects
Time Objects
DateTime Objects
Time Formatting
System Interaction
os Module
Operating System Interface
File System Operations
Environment Variables
sys Module
System Parameters
Python Runtime
Data Formats
json Module
JSON Serialization
JSON Deserialization
JSON File Handling
Collections
collections Module
namedtuple
deque
Counter
defaultdict
OrderedDict
Documentation and Help
help() Function
dir() Function
Online Documentation
Package Management
Package Concept
Package Structure
init.py Files
Subpackages
Python Package Index (PyPI)
Package Discovery
Package Information
pip Package Manager
Installing Packages
Basic Installation
Version Specification
Package Management
Upgrading Packages
Uninstalling Packages
Listing Packages
Requirements Files
requirements.txt
Dependency Management
Environment Reproduction
Virtual Environments
Virtual Environment Concept
Isolation Benefits
Dependency Management
Project Separation
venv Module
Creating Virtual Environments
Activating Environments
Deactivating Environments
Environment Management
Package Installation in Environments
Environment-Specific Dependencies
Environment Cleanup
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7. File Input/Output