📚 Dictionary Operations

Dictionaries are Python's built-in mapping type, providing an efficient way to store and retrieve key-value pairs. Mastering dictionary operations is essential for data organization and lookup operations.

# Basic dictionary operations
person = {
    'name': 'Alice',
    'age': 25,
    'city': 'New York'
}
print(f"Person: {person}")
print(f"Name: {person['name']}")
print(f"Age: {person['age']}")

🤔 Why Dictionary Operations Matter

Dictionaries are crucial for:

• Fast data lookup
• Data organization
• Configuration storage
• API responses
• Data transformation

📚 What You'll Learn in This Section

This section covers essential dictionary operations:

• 🔄 How to Merge Dictionaries - Combine multiple dictionaries
• 📊 How to Sort Dictionaries - Order dictionary items
• 🔍 How to Filter Dictionaries - Extract specific items
• 🛡️ How to Handle Missing Keys - Deal with non-existent keys
• 🎯 How to Use Dictionary Comprehensions - Create dictionaries efficiently
• 🔄 How to Convert Between Lists and Dictionaries - Transform data structures

🎯 Key Takeaways