python module must define four functions: a. add(a, b) b. subtract(a, b) c. multiply(a, b) d. divide(a, b) i. Divide must check for division by zero and return an error message if it encounters it. 3. Each function should take two arguments and perform the corresponding mathematical operation. Return the result, don’t print it in the function. 4. Include a main() function that tests these functions with some example inputs. Ensure that you print the results of the function calls here in the main function and provide the appropriate labels. 5. The main() function must only run automatically if the module is being run directly, not when imported.
python module must define four functions: a. add(a, b) b. subtract(a, b) c. multiply(a, b) d. divide(a, b) i. Divide must check for division by zero and return an error message if it encounters it. 3. Each function should take two arguments and perform the corresponding mathematical operation. Return the result, don’t print it in the function. 4. Include a main() function that tests these functions with some example inputs. Ensure that you print the results of the function calls here in the main function and provide the appropriate labels. 5. The main() function must only run automatically if the module is being run directly, not when imported.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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python module must define four functions:
a. add(a, b)
b. subtract(a, b)
c. multiply(a, b)
d. divide(a, b)
i. Divide must check for division by zero and return an error message if it
encounters it.
3. Each function should take two arguments and perform the corresponding mathematical
operation. Return the result, don’t print it in the function.
4. Include a main() function that tests these functions with some example inputs. Ensure
that you print the results of the function calls here in the main function and provide the
appropriate labels.
5. The main() function must only run automatically if the module is being run directly, not
when imported.
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