Understandly

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Learn core concepts after each chapter so you never fall behind.

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Computer Science

Kick off with Python basics. Variables first.

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Computer Science

Available now: Python Basics — Variables.

Quick Quiz: Variables

  1. What does a variable do?

  2. What does this print? x = 2; x = x + 3; print(x)

  3. Which type is True?

  4. What is the difference between a string and an int?

  5. What will this code do? name = "Alice"; print("Hello, " + name)

Mini Project: Simple Budget Helper

Practice variables by tracking a few expenses and a budget.

  1. Create variables: budget, rent, food, transport.
  2. Compute total_expenses and remaining = budget - total_expenses.
  3. Print a summary like: Remaining budget: $X.
Try it in your browser (Python)

Paste Python below and run it. Output appears in the terminal box.