Please help me, on Python (xo -a)² +(xj - a}° +•..+(xp-1 -a)°S =п-1oùХо + х + +x-1a :n Write a Python function that will calculate the standard deviationof the numbers in a list x.Develop the main part of the program which obtains a list ofvalues from the user; call the function and pass it this list tocalculate the standard deviation of the values, and display theresult.Write a function standard deviation (x) which takes a list X as aparameter and calculates the standard deviation of the numbersin this list x and then returns the result.

The formula for the standard deviation of a list of numbers,x0,x1,x2,...,xn of size,n is calculated…

Answered: Write a Python function that will…

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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Write a python function that takes a list as a parameter. The list contains all the marks (Pop Quiz, Assignment, Assessment, Final) of a student. Then your function should return the total mark and the grade according to the provided conditions below. Then, finally print the returned values in the function call. If total score is greater than 100 or less than 0 then return “Invalid Marks” If total score is less than 50 then return “F” If total score is greater than or equal 50 and less than 65 then return “D” If total score is greater than or equal 65 and less than 80 then return “B” If total score is greater than or equal 80 and less than 101 then return “A”
Please answer it in Python Write a function somme_even that takes a list as an argument and returns the sum of the even numbers contained in the list. Example: somme_even([4, 7, 12, 0, 21, 5]) return => 16 (because 16=4+12+0). Write a function nb_elem_even that takes a list as an argument and returns the number of even integers contained in the list. Example: nb_elem_even([4, 7, 12, 0, 21, 5]) return => 3 (because 4, 12, and 0 are even). Write a function max_pair that takes a list as an argument and returns the largest even integer contained in the list. It will be assumed for simplicity (in this question only) that the list always contains at least one even number. Example: max_even([4, 7, 12, 0, 21, 5]) return => 12.
a- Write a Python function Salary_levels, that takes a list as an argument and returns the number of the high salaries (salary>=5000), the average salaries(1000<=salary<5000, and the low salaries (salary<1000). You can use the following list : salaries= [500,1070,1450,6500,9000,940,450,400,600,2750,1100,8400,1500,900,1200] b- Use the above function to print the counts of the high, average, and low salaries. N.B: the codes of parts a and b should be included in your answer.
Write a function MedianWithoutHL(ScoreList) that takes an unsorted list of n numbers as a parameter, discards the highest and the lowest numbers and return the median. You can assume the number of items in the list is between 0.0 and 9.9. To find the median from a list of items, you have tosort the list and find out the value of the item in the middle.Note: If the list has an odd number of items, the median is the value of the middle item. If the list has an even number of items, the median is the average of the two middle items.Sample Run #1:scoreList1 = [9.0, 9.0, 7.5, 8.0, 9.5, 6.5, 5.0, 7.0, 7.5, 8.5]print("The Original ScoreList: ", scoreList1)print(MedianWithoutHL(scoreList1))Output of Sample Run #1:The Original ScoreList: [9.0, 9.0, 7.5, 8.0, 9.5, 6.5, 5.0, 7.0, 7.5, 8.5]The List after sorting: [5.0, 6.5, 7.0, 7.5, 7.5, 8.0, 8.5, 9.0, 9.0, 9.5]Without the High & Low: [6.5, 7.0, 7.5, 7.5, 8.0, 8.5, 9.0, 9.0]7.75
Write a Python function called name_processor that takes a list of students' full names and returns a new list containing the names in the format "Last, First". You can assume that the list contains only strings and that the strings are not empty. In the original list, first and last names are separated by a space e.g. "First Last". Some full names may contain a middle name e.g. "First Middle Last". In these cases, ignore the middle name. It is possible that a student has only a single name (i.e. one word, no spaces). In these cases, add the name to the new list without changing its format. An example: Calling the function with this list: ["Pele", "Sarah Jessica Parker", "Darth Vader"] ... should return this list: ["Pele", "Parker, Sarah", "Vader, Darth"] You will find the string method .split() useful for this problem.
Write a Python function called name_processor that takes a list of students' full names and returns a new list containing the names in the format "Last, First". You can assume that the list contains only strings and that the strings are not empty. In the original list, first and last names are separated by a space e.g. "First Last". Some full names may contain a middle name e.g. "First Middle Last". In these cases, ignore the middle name. It is possible that a student has only a single name (i.e. one word, no spaces). In these cases, add the name to the new list without changing its format. An example: Calling the function with this list: ["Pele", "Sarah Jessica Parker", "Darth Vader"] ... should return this list: ["Pele", "Parker, Sarah", "Vader, Darth"] You will find the string method .split() useful for this problem. A) Describe all the test cases you you can think of for the function you wrote for this question. For example, one test case would be a list containing a name that has…
I really need help with this problem Write a program that reads a list of integers, and outputs whether the list contains all multiples of 10, no multiples of 10, or mixed values. Define a function named is_list_mult10 that takes a list as a parameter, and returns a boolean that represents whether the list contains all multiples of ten. Define a function named is_list_no_mult10 that takes a list as a parameter and returns a boolean that represents whether the list contains no multiples of ten. Then, write a main program that takes an integer, representing the size of the list, followed by the list values. The first integer is not in the list. Ex: If the input is: 5 20 40 60 80 100 the output is: all multiples of 10 Ex: If the input is: 5 11 -32 53 -74 95 the output is: no multiples of 10 Ex: If the input is: 5 10 25 30 40 55 the output is: mixed values The program must define and call the following two functions. is_list_mult10() returns true if all integers in the list are multiples…
Write a function that takes two arguments, a list L1 and a list L2. • If the length of the list L1 is greater than twice the length of the list L2, then append the first three values of L1 to the three last values of L2. E.g. if L1 = ‘(1 2 3 4 5 6 7) and L2 = ‘(8 9 10), then return ‘(1 2 3 8 9 10) Should be written in the Racket programming language
Python Write a function compute_stats, such that given a list of grades as an input parameter,it calls the function get_new_grades (defined in the previous questions)and returns a list that contains the average value of the initial list andthe average value of the list from the get_new_grades function.
Write a python function that takes a list as a parameter. The list consists of scores of 3 sections of the IELTS exam (reading, writing, and speaking in the exact order). The valid score for each section is from 0(inclusive) to 9(inclusive). Thus the valid range of the IELTS average score is from 0(inclusive) to 9(inclusive). Then your function should return the average of the given scores as well as the information according to the provided conditions below. Then, finally print the returned values in the function call.If the average score is Less than 6, then return “Retake the exam”.If the average score is Greater than 6 and less than 8, then return “Good user”.If the average score is Equal to 8, then return “Very good user”.If the average score is Above 8, then return “Expert user”.For any invalid inputs (out of valid range), return “Impossible score!!”.
Suppose that we need to write a Python function countTemps, that takes a list as an argument and calculates and returns the number of the positive numbers, the negative numbers, and the zeros.Write a complete Python program that includes the above function and the below list, and prints the counts of the positive, negative, and zero values.You should include also, a screenshot of the code and the output.You can use the following list : temperature= [0, 1, 5, -3, 4, 15, 6, -2, 8, -5, 10, 0, -4, 0, 7]
Write a Python function called sumList () which will receive a list of integers as inputparameter. sumList() must:a) Print the listb) Sum all the numbers in a list and print the total.The main section of your program must:c) Ask the user how many numbers the list should contain;d) Create the list accordingly (containing randomly generated integers between 0and 100);e) Pass the list to sumList () for processing.Example output if a list containing four numbers is passed to sumList()[3, 47, 94, 1].The total is: 145 Write a Python program that reads an integer representing a month of the year, andthen print the name of the month. Your program must include validation and errorhandling code. Thus, if the user enters a value outside the range of 1-12; or charactersthat cannot be converted to an integer, your code must print the appropriatemessage and continue without crashing. (Hint: You may NOT USE any 'if' statements.)Examples:# Input: -5 Output: Please enter a number between 1 and 12:#…

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