Note the types of objects in the dictionary! It is a reverse operation compared to lab 10.13. 1. Create a function load_dict_from_csv(filename) that will accept the string with the file name and returns the loaded storage. 1.0, Use with to open the file with the required filename. 1.1. Crete a future dictionary. Create csv loader to load all lines 1.2. Loop over loader to get each line from the file. Using knowledge about the structure of the dictionary to parse the line (convert it to required types if needed!) and save it to the dictionary. The first element is a key, the other is the values: second is the name, third is the prct, and the rest is the grades_list. 2. You do not have to have any if name _main__" statement, but you can use it and IDE on your computer to test your == program. Examples of function work: storage_save.txt 101,quiz,12,1,2,3,4 102,final,53,10,10,10,10 103,labs,30,100,100,100,97,100,96,100,98,97,100 res = load_dict_from_csv ("storage_save.txt") res >>> { 101: ["quiz", 12, [1,2,3,4]], 102: ["final", 53, [10, 10, 10, 10]], 103: ["labs", 30, [100,100,100,97,100,96,100,98,97,100]] }

Note the types of objects in the dictionary! It is a reverse operation compared to lab 10.13. 1. Create a function load_dict_from_csv(filename) that will accept the string with the file name and returns the loaded storage. 1.0, Use with to open the file with the required filename. 1.1. Crete a future dictionary. Create csv loader to load all lines 1.2. Loop over loader to get each line from the file. Using knowledge about the structure of the dictionary to parse the line (convert it to required types if needed!) and save it to the dictionary. The first element is a key, the other is the values: second is the name, third is the prct, and the rest is the grades_list. 2. You do not have to have any if name _main__" statement, but you can use it and IDE on your computer to test your == program. Examples of function work: storage_save.txt 101,quiz,12,1,2,3,4 102,final,53,10,10,10,10 103,labs,30,100,100,100,97,100,96,100,98,97,100 res = load_dict_from_csv ("storage_save.txt") res >>> { 101: ["quiz", 12, [1,2,3,4]], 102: ["final", 53, [10, 10, 10, 10]], 103: ["labs", 30, [100,100,100,97,100,96,100,98,97,100]] }

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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Concept explainers

Stack operations

A stack is a linear data structure that follows certain order to perform the operation; the order will be LIFO (Last In First Out) data structure. In the stack data structure elements/items are removed and added only from the top. The topmost stack item/element is pointed by the top pointer and the element which is added to the stack first will get deleted at the last.

Question

In python!

Learning Objectives
Open a file for reading
Process information in a file to store it in a dictionary
• Practice writing code needed for the final project
Instructions
A dictionary is a great way to store information in the real world and it is time for us to try to load it from the file.
If the file looks like this:
id,name,prct,grades_list
e.g.
101,quiz,17,1,2,3,4
102,final,53,100
103,labs,30,100,100,100,97,100,96,100,98,97,100
The dictionary should look like this:
{id: [name, prct, grades_list]}
e.g.
{
101: ["quiz", 12, [1,2,3,4]],
102: ["final", 53, [10, 10, 10, 10]],
103: ["labs", 30, [100,100,100,97,100,96,100,98,97,100]]
}

Note the types of objects in the dictionary!
It is a reverse operation compared to lab 10.13.
1. Create a function load_dict_from_csv(filename) that will accept the string with the file name and returns the loaded storage.
1.0, Use with to open the file with the required filename.
1.1. Crete a future dictionary. Create csv loader to load all lines
1.2. Loop over loader to get each line from the file. Using knowledge about the structure of the dictionary to parse the line (convert it
to required types if needed!) and save it to the dictionary. The first element is a key, the other is the values: second is the name, third
the prct, and the rest is the grades_list.
2. You do not have to have any if
main
statement, but you can use it and IDE on your computer to test your
name
program.
Examples of function work:
storage save.
txt
101,quiz,12,1,2,3,4
102,final,53,10,10,10, 10
103,labs,30,100,100,100,97,100,96,100,98,97,100
res
load_dict_from_csv("storage_save.txt")
res >>> { 101: ["quiz", 12, [1,2,3,4]],
102: ["final", 53, [10, 10, 10, 10]],
103: ["labs", 30, [100,100,100,97,100,96,100,98,97,100]] }

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