Cost TableThe items and costs are stored in two (constant) lists: ITEMS and PRICES.ITEMS = ["Beans", "Rice", "Banana", "Ice", "Tea", "Bread", "Orange", "Sugar"]PRICES = [3.25, 4.31, 6.88, 3.3, 5.25, 4.89, 6.32, 2.25]You should implement the following functions to print a cost table.• make_cost_table(). Called by the main() function, this function will prompt the user for the maximum quantity (between 1 and 9 inclusive), and theorientation of the table (item\gty as horizontal). It will handle the user input error. Once valid values are obtained from the user, this function will call thenext function to build the string that contains the formatted cost table, and return it.• build_cost_table(items, prices, max_gty, horizontal). This function will build and return a string that represents the cost table by listing for each item thecost of buying that item for a quantity from 1 to the max_gty. If horizontal is True, each row is for one item and each column is for each quantity,otherwise, each row will be for each quantity and each column is for each item. You must use nested for loops to build the cost table. For each rowand for each column in the row, use string format (use'..'%(...) method) to concatenate the cost to the tabler. For each entity (string, int, or float) setthe field to 8 (therefore, %8s, %8d, %8.2f). For example,build_cost_table(ITEMS, PRICES, 5, True)should return the following string.Cost TableItem\Qty1234Вeans3.256.509.7513.0016.25Rice4.318.6212.9317.2421.55Banana6.8813.7620.6427.5234.40Ice3.306.609.9013.2016.50Тea5.2510.5015.7521.0026.25Bread4.899.7814.6719.5624.45Orange6.3212.6418.9625.2831.60Sugar2.254.506.759.0011.25andbuild_cost_table(ITEMS, PRICES, 5, False)should return the following string.Cost Tahle Numbers in a Pattern (Using Nested Loops)You should implement the following functions to print numbers in a pattern.• make_pattern). Called by the main) function, this function will prompt the user for entering values for the three variables: num1, num2, and ascending.It will handle user input error as well. Once valid input is obtained, this function will call a helper function build_power_pattern() function to obntain astring representing the pattern, and return the string to the main) function.For this project,0 <= num1 <= 90 <= num2 <= 9• build_percent_pattern(num1, num2, ascending). This function will build and return string that represents a trianglar matrix-like layout filled will asequence of floating-point numbers. In the required pattern, each column is associated with an integer and each row is associated with a percentage,and the number printed is the product of the column integer and the row percentage. The first column is associated with num1, second columnnum1+1, and so on, the last column is associated with num2. In ascending order, the first row is associated with numl x 10%, second row(num1 + 1) x 10%, etc, the last row is associated with num2 x 10%. In descending order, the first row is associated with num2 x 10%, and the lastrow with num1 x 10%. Blank space should be used to build the tranglar shape, as illustrated in the following example.build percent_pattern(3, 9, True)should return the following formatted string.0.901.201.50 1.80 2.10 2.40 2.701.602.00 2,402.803.203.602.50 3.003.504.004.503.604.204.805.404.905.60 6.306.407.208.10and the callbuild percent_pattern(3, 9, False)will return the following formatted string8.10

osts are Store onstant) lists: ITEMS = ["Beans", "Rice", "Banana", "Ice", "Tea", "Bread", "Orange", "Sugar"] PRICES = [3.25, 4.31, 6.88, 3.3, 5.25, 4.89, 6.32, 2.25] should implement the following functions to print a cost table. make_cost_table). Called by the main() function, this function will prompt the user for the maximum quantity (between 1 an orientation of the table (item\qty as horizontal). It will handle the user input error. Once valid values are obtained from the us next function to build the string that contains the formatted cost table, and return it. build_cost_table(items, prices, max_qty, horizontal). This function will build and return a string that represents the cost table cost of buying that item for a quantity from 1 to the max_qty. If horizontal is True, each row is for one item and each column otherwise, each row will be for each quantity and each column is for each item. You must use nested for loops to build the c

osts are Store onstant) lists: ITEMS = ["Beans", "Rice", "Banana", "Ice", "Tea", "Bread", "Orange", "Sugar"] PRICES = [3.25, 4.31, 6.88, 3.3, 5.25, 4.89, 6.32, 2.25] should implement the following functions to print a cost table. make_cost_table). Called by the main() function, this function will prompt the user for the maximum quantity (between 1 an orientation of the table (item\qty as horizontal). It will handle the user input error. Once valid values are obtained from the us next function to build the string that contains the formatted cost table, and return it. build_cost_table(items, prices, max_qty, horizontal). This function will build and return a string that represents the cost table cost of buying that item for a quantity from 1 to the max_qty. If horizontal is True, each row is for one item and each column otherwise, each row will be for each quantity and each column is for each item. You must use nested for loops to build the c

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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As part of this assignment, the program that you will be writing will store current grades in a dictionary using course codes as keys and with values consisting of percent grades in lists. The main functions of this program are to print a student's gradebook, to drop the lowest grade in each course, print the student's gradebook again, drop the course with lowest average, and finally printing the student's gradebook again. This program requires a main function and a custom value-returning function. In the main function, code these basic steps in this sequence (intermediate steps may be missing): start with an empty dictionary that represents a gradebook and then use a while loop to allow the input of course codes from the keyboard. End the while loop when the user presses enter without entering data.within the while loop:for each course entered, use a list comprehension to generate five random integers in the range of 70 through 100. These random integers in a list represent the…
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This code is a part of a C dictionary. Please write the code for the below requirements. dict_get Next, you will implement: char* dict_get (const dict_t* dict, const char* key); This function goes through the list given by dict. If you use the above structure, this means starting at el = dict->head and checking each time whether the key at el is key; if it is not, we set el = el->next, until either key is found, or we reach el == NULL. To compare key with el->key, we need to compare one by one each character in key with those in el->key. Remember that strings in C are just pointers (memory addresses) to the first character in the string, so comparing el->key == key will not do what you want. So how do you even get the length of a string s? You would start at memory location s and advance as long as the byte at s (i.e. *s) is not the end-of-string marker (\0, the NULL character). This can get a bit messy, so luckily, you are allowed to use the string comparison…
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