Part $1$

Point: create a special data structure that will be a list of numbers$$

Each of the lists called a calculationList will have two main parts$$

$*$ List of numbers$$

$*$ a threshold value$$

The threshold values is a limit for whatever type of calculation the list belongs to

Example: for stdList, the threshold applies to the standard deviation. For meanList, the threshold applies to the mean etc.$$

The calculation list should have a prune $()$ method that will start removing values from the list until the relevant value is below the threshold.$$

Each type of calculation list will have a different way of figuring out what to remove as the most $$important$$ values should be removed first $>$

Most important meaning if standard deviation is greater than the threshold, and we have a value that is $3$ standard deviation away from the mean and another that is $10$ standard deviations away from the mean we want to remove the second valve first as it will be the most impactful$$

PLEASE CREATE CLASSES USING PYTHON$$

A calculationList class that is made up of a list of float numbers as well as a few additions$$

$*$ This class will$$

$*$ Inherit from two things $-$ the mutable sequence class and the ABC class$$

Mutable sequence class: allow us to use the list methods$$

ABC class: allow us to use the abstract methods$$

The calculation list will be a base class that will not be implemented directly. Next will need to create some subclasses that then inherit from the calculationList class

PLS CODE the following in python using numpy$$

$*$ stdList $-$ this will be a calculationList that will prune values based on the standard deviation of the list$$

$*$ meanList $-$ this will be a calculationList that will prune values based on the mean of the list$$

$*$ sumList $-$ this will be a calculationList that will prune values based on the sum of the list$$

Each of these classes should only add what they need to make their unique functionality work$$

$$

The things that are common to all of them should be calculationList class. The other classes should be children of that class, each adding ether own unique parts$$

NOTE: there may be erroneous values in the input data, so there should be some error checking to deal with broken inputs $-$ of the row has erroneous data, that row should be skipped entirely$$

Example of input csv file contents$$

Name Type Threshold Value$\_0$ Value$\_1$ Value$\_2$

list$\_0$ stdList $30\mathrm{.}1960925065$

list$\_1$ stdList $37\mathrm{.}8329769355$

list$\_2$ meanList $42\mathrm{.}901578392$

Example of output file contents $($what we tryna do$)$

Name Length Threshold Value

list$\_0530\mathrm{.}196019$

list$\_1937\mathrm{.}832929$

list$\_24542\mathrm{.}901542$

Starting point$$

Part $2$

Write a code that reads a csv file using the code classes above$$

Some criteria:$$

# $-$ read data from disk, and create a list of the calculation lists.

# $-$ process those lists to get actual outputs.$$

#outputs $=$ processCalculationLists$($calculationListLoader$("$inputs$.$csv$"),$ output$\_$file$=$"output.csv$")$

#outputs.head$()$

Example files above