# convert.py # A program to convert Celsius temps to Fahrenheit # by: Susan Computewell def main(): celsius = eval(input("What is the Celsius temperature? ")) fahrenheit = 9/5 * celsius + 32 print("The temperature is", fahrenheit, "degrees Fahrenheit.") main() 

2. The algorithm for convert.py is:

Input the temperature in Celsius degree

Calculate to Fahrenheit degree: Fahrenheit = (9/5)*Celsius + 32

Output Fahrenheit degree

3. Open IDLE Shell, then click File -->New File, TYPE convert.py file into IDLE Scripts mode. (right-hand side screenshot as below)

Comments are to explain each line of statements. It's important to help understand this program.

4. Click Run --> Run Module (or just simple click shortcut F5). Respond/interact this program (within the Interactive mode, left-hand side screenshot as below) by typing a number as requested.

See screenshots:

5. Point out each identifier (all the names in program), each variable, each expression, assignment, loop.

Modify the convert.py Program?

Programming Excises 1: Modify the convert.py to print an intro.

Programming Excises 3: Modify the convert.py to loop 5 times with different inputs before quitting, name it as: convert_v2.py.

Run it to see what the result is.