Day 3

Contents

• File I/O in Python
  • What is File I/O?
  • Opening a File
  • Reading from a File
  • Writing to a File
  • Using with Statement
  • Working with Files Line-by-Line
  • Checking File Existence (Optional)
  • File Methods Summary
  • Binary File I/O
  • Example in Some of Project
• Dictionaries in Python
  • What is a Dictionary?
  • Creating a Dictionary
  • Accessing Elements
  • Modifying Elements
  • Adding Elements
  • Removing Elements
  • Dictionary Methods
  • Iterating Through a Dictionary
  • Nested Dictionaries
  • Dictionary Comprehension
  • Real-Life Usage Examples