Code
grades = {
"Alice": 85,
"Bob": 92,
"Charlie": 78
}
print(grades["Bob"])
grades["David"] = 88
print(grades["David"])
grades["Alice"] = 90
print(grades["Alice"])
print(grades.get("Eve"))
Memory
grades
Alice
85
Bob
92
Charlie
78
David
88
Visual
Class Discussion
Grade Book
Alice: 85
Bob: 92
Charlie: 78