# Python Reading

- Read the General Introduction
from the section entitled
*What is Debugging?*
through the section entitled *Experimental Debugging*.

## All Together Activity (15 minutes)

Write a program that calculates and prints the two roots of a quadratic
equation, ax^2 + bx + c = 0.

## Laptop Activity - Groups of Two (20 minutes)

- Write a Python program that uses the
compound interest formula to
tell the user how much money will be in a bank account after 10
years when the initial balance is $1000, the interest rate is 5%
and the interest is compounded quarterly.
- Demonstrate how to introduce a syntax error into the above program.
- Demonstrate how to introduce a run-time error into the above program.
- Demonstrate how to introduce a semantic error into the above program.

## All Together Activity (15 minutes)

Solve the laptop activity above. The correct answer is $1643.62.