program7.pyThis assignment requires the main function and a custom value-returning function. The value-returning function takes a list of random integers as its only argument and returns a smaller list of only the elements that end with 7. This value-returning function must use a list comprehension to create this smaller list.In the main function, code these steps in this sequence:Set random seed to 42 import randomrandom.seed(42)create an empty list that will the hold random integers.use a loop to add 50 random integers to the list. All integers should be between 200 and 250, inclusive. Duplicates are okay.sort the list in ascending order and then use another loop to display all 50 sorted integers on one line separated by spaces. print a slice showing list elements indexed 5 through 10, inclusive.print a second slice showing the final 5 elements in the sorted list.execute the custom function with the entire original list as its sole argument.report the number of elements in the new "sevens" list returned by the custom function.if 207 is not in the "sevens" list, add it to the start of "sevens" and report that this happened. Otherwise, report that nothing was added.if 247 is in the "sevens" list, report the index of its first occurrence. Otherwise, append 247 to the end of the list.use another loop to display all elements in "sevens" on one line separated by spaces.Finally, report the total of the "sevens" list.Sample Output Here is the complete list of 50 elements, sorted from low to high:200, 200, 201, 203, 203, 203, 204, 205, 207, 209, 210, 210, 211, 212, 213, 213, 216, 217, 218, 218, 219, 220, 221, 221, 222, 224, 224, 225, 225, 226, 228, 229, 231, 234, 234, 237, 241, 244, 245, 246, 246, 247, 247, 248, 248, 250Elements indexed 5 to 10 in the sorted list are [203, 203, 204, 205, 207, 209]The final 5 elements in the sorted list are [247, 247, 248, 248, 250]Number of elements ending with 7: 5207 was already in the "sevens" list, so nothing was added.Found 247 at index 3 in the "sevens" list, so nothing was added.Here are the elements in the "sevens" list:207, 217, 237, 247, 247The total of all elements in the "sevens" list is 1155.

import random def ending_with_7(lst): return [x for x in lst if abs(x) % 10 == 7] def…

Answered: This assignment requires the main…

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

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program7.py
This assignment requires the main function and a custom value-returning function. The value-returning function takes a list of random integers as its only argument and returns a smaller list of only the elements that end with 7. This value-returning function must use a list comprehension to create this smaller list.

In the main function, code these steps in this sequence:

Set random seed to 42 import random
random.seed(42)
create an empty list that will the hold random integers.
use a loop to add 50 random integers to the list. All integers should be between 200 and 250, inclusive. Duplicates are okay.
sort the list in ascending order and then use another loop to display all 50 sorted integers on one line separated by spaces.
print a slice showing list elements indexed 5 through 10, inclusive.
print a second slice showing the final 5 elements in the sorted list.
execute the custom function with the entire original list as its sole argument.
report the number of elements in the new "sevens" list returned by the custom function.
if 207 is not in the "sevens" list, add it to the start of "sevens" and report that this happened. Otherwise, report that nothing was added.
if 247 is in the "sevens" list, report the index of its first occurrence. Otherwise, append 247 to the end of the list.
use another loop to display all elements in "sevens" on one line separated by spaces.
Finally, report the total of the "sevens" list.

Sample Output

Here is the complete list of 50 elements, sorted from low to high:

200, 200, 201, 203, 203, 203, 204, 205, 207, 209, 210, 210, 211, 212, 213, 213, 216, 217, 218, 218, 219, 220, 221, 221, 222, 224, 224, 225, 225, 226, 228, 229, 231, 234, 234, 237, 241, 244, 245, 246, 246, 247, 247, 248, 248, 250

Elements indexed 5 to 10 in the sorted list are [203, 203, 204, 205, 207, 209]

The final 5 elements in the sorted list are [247, 247, 248, 248, 250]

Number of elements ending with 7: 5

207 was already in the "sevens" list, so nothing was added.

Found 247 at index 3 in the "sevens" list, so nothing was added.

Here are the elements in the "sevens" list:
207, 217, 237, 247, 247

The total of all elements in the "sevens" list is 1155.

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