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Assignment 1: Python Basics

  • INDIVIDUAL ASSIGNMENT
  • Deadline: Sept-01
  • How to submit: For each item, provide an answer as requested in the item (usually the source code + explanations + iteractive shell output)
  1. Create a new repository under your GitHub account called INF502;
  2. Create a file called "Assignment1.md" and paste your answers there (tip: click on "Raw" at the right-top of this file to get the markdown source);
  3. invite me to see your new repository. This will allow you to keep a private repository that only you and me will be able to see
  • I will evaluate the latest commit before the deadline

1. Write a function with the following signature: pythagoreanTheorem(length_a, length_b).

The function returns the length of the hypotenuse assuming that length_a and length_b are the lengths of the two legs of a right triangle (the legs that form the triangle's right angle). Hint: the math module might have useful functions to use.

For example:

>>> pythagoreanTheorem(2, 2)
2.8284271247461903

Present your source code and the output of three example runs.

2. Write a function with the following signature: list_mangler(list_in).

The function assumes that list_in is a list of integers, and returns a new list containing transformed elements of list_in. If the element is even, it's doubled. If the element is odd, it's tripled.

For example:

>>> list_mangler([1, 2, 3, 4])
[3, 4, 9, 8]

Present a short (no more than a couple of sentences) description of your solution approach. Show your source code and the output of three example runs.

3. Write a function with the following signature: grade_calc(grades_in, to_drop).

The function accepts a list grades_in containing integer grades, drops the to_drop lowest grades (so, for to_drop equal to 2, the function should drop the 2 lowest grades), calculates the average of the grades left, and returns the letter grade this average corresponds to according to the letter grade scale for this course.

For example:

>>> grade_calc([100, 90, 80, 95], 2)
'A'

Present a short (no more than a couple of sentences) description of your solution approach. Then show your source code and the output of three example runs.

4. Write a function with the following signature: odd_even_filter(numbers).

The function accepts an input list of integers and returns a list with two sublists. The first sublist contains all even numbers in the input list and the second sublist contains all odd numbers.

For example:

>>> odd_even_filter([1, 2, 3, 4, 5, 6, 7, 8, 9])
[[2, 4, 6, 8], [1, 3, 5, 7, 9]]
>>> odd_even_filter([3, 9, 43, 7])
[[], [3, 9, 43, 7]]
>>> odd_even_filter([71, 39, 98, 79, 5, 89, 50, 90, 2, 56])
[[98, 50, 90, 2, 56], [71, 39, 79, 5, 89]]

Present a short (no more than a couple of sentences) description of your solution approach. Then show your source code and the interactive shell output of three example runs.