Update dictionary values Dry Run in PYTHON

Update dictionary values is an interactive PYTHON dry run visualizer from the Dict programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Update dictionary values Program Code

# Update dictionary values
student = {"name": "John", "age": 20, "grade": "B"}
print("Original:", student)

# Method 1: Direct assignment
student["grade"] = "A"
print("After direct update:", student)

# Method 2: Using update() method
student.update({"age": 21, "city": "New York"})
print("After update():", student)

# Method 3: Multiple updates
student["name"] = "John Doe"
student["grade"] = "A+"
print("After multiple updates:", student)

View the complete Dict programs page.