Computer Science - Text-Based Programming - Python - Dictionaries - Dictionaries Explained

5 steps. Step 1 'Creating': student = {'name': 'Alex', 'age': 14, 'grades': [90, 85, 92]}. Keys must be immutable (strings, numbers, tuples). Values can be anything. Step 2 'Accessing': student['name'] → 'Alex'. student.get('name') → 'Alex'. student.get('phone', 'N/A') → 'N/A' (safe access with defa