Goal: Learn to read and process files containing raw data.

Assignment: Assume the file numbers.txt contains a series of numbers. Write a program that calculates the average of all the negative numbers and the average of all the positive numbers, and then prints both to the screen. If there are no numbers $($i$.$e$.$ no negative numbers and$/$or no positive numbers$),$ print NaN instead.

Print only the averages, first the negative and then the positive, with no formatting

is separated from the next by a line with a dash. The following is an example file:

Contents of units.txt

$10$

$123$

$95$

$285$

$64$

Write some code that creates a file named totals. txt in which each line is the sum of all the item counts per container section. Continuing the above example,

the following is the example result:

Contents of totals.txt

$228$

$349$