For all questions on Part 2, you may not use any built-in functions or methods other than nge, len, and append. 1. A list of numbers is said to be balanced if the sum of its first half is equal to the sum of its second half (if the list has odd length, then we ignore the center value in both sums). Write a function is balanced that takes any list of numbers num_list and returns True if the list is balanced. Otherwise, it should return False. For example, is_balanced (B) and is_balanced (D) should return True , and is_balanced (C) should return False, where B, C, and D are the example lists defined in Part 1 of the lab above. Hint: I might suggest starting your function with something like the three lines below: n = len(num_list) first half sum = 0 last half sum = 0 Then you can build the two sums, conditioned on whethern is even or odd. 2. Write a function interleave that takes two lists 1st1 and lst2 of the same length and that returs a combined list that alternates bctween the clements of cach list. For example, interleave([1, 2, 3, 4], ['a', 'b', 'c', 'd']) should return the list. [1, 'a', 2, 'b', 3, 'c', 4, 'd']. 3. Write a function swap_adjacent that takes a list 1st with an even number of cutrics, and it returus the new list witlh the same eutries aS 1st. except every pair of two adjacent values lhas swapped locations.
For all questions on Part 2, you may not use any built-in functions or methods other than nge, len, and append. 1. A list of numbers is said to be balanced if the sum of its first half is equal to the sum of its second half (if the list has odd length, then we ignore the center value in both sums). Write a function is balanced that takes any list of numbers num_list and returns True if the list is balanced. Otherwise, it should return False. For example, is_balanced (B) and is_balanced (D) should return True , and is_balanced (C) should return False, where B, C, and D are the example lists defined in Part 1 of the lab above. Hint: I might suggest starting your function with something like the three lines below: n = len(num_list) first half sum = 0 last half sum = 0 Then you can build the two sums, conditioned on whethern is even or odd. 2. Write a function interleave that takes two lists 1st1 and lst2 of the same length and that returs a combined list that alternates bctween the clements of cach list. For example, interleave([1, 2, 3, 4], ['a', 'b', 'c', 'd']) should return the list. [1, 'a', 2, 'b', 3, 'c', 4, 'd']. 3. Write a function swap_adjacent that takes a list 1st with an even number of cutrics, and it returus the new list witlh the same eutries aS 1st. except every pair of two adjacent values lhas swapped locations.
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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Instructions at the top of page for what functions can be used. Answer question 1 only please.
![For all questions on Part 2, you may not use any built-in functions or methods other than
len , and append.
range,
1. A list of numbers is said to be balanced if the sum of its first half is equal to the sum of its
second half (if the list has odd length, then we ignore the center value in both sums). Write
a function is balanced that takes any list of numbers num list and returns True if the
list is balanced. Otherwisc, it should return False.
For example, is_balanced (B) and is_balanced (D) should return True , and is_balanced (C)
should return False, where B, C, and D are the example lists defined in Part 1 of the lab
above.
Hint: I might suggest starting your function with something like the three lines below:
n = len(num list)
first half sum = 0
last half sum =
Then you can build the two sums, conditioned on whether n is cven or odd.
2. Writc a function interleave that takes two lists 1st1 and lst2 of the same length and
that returs a combined list that alternates between the clements of cach list.
For example, interleave([1, 2, 3, 4], ['a', 'b', 'c', 'd']) should return the list
[1, 'a', 2, 'b', 3, 'c', 4, 'd'].
it returns the new list with the same entries asS 1st, except every pair of two adjacent values
lhas swapped locations.
3. Write a function swap adjacent that takes a list 1st with an even number of entrics, and](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f674f25-25cd-4157-a3b0-b4cefdd441a9%2Ff1ec916d-17ed-4dc9-9f68-08432602414b%2Fvl3fjml_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For all questions on Part 2, you may not use any built-in functions or methods other than
len , and append.
range,
1. A list of numbers is said to be balanced if the sum of its first half is equal to the sum of its
second half (if the list has odd length, then we ignore the center value in both sums). Write
a function is balanced that takes any list of numbers num list and returns True if the
list is balanced. Otherwisc, it should return False.
For example, is_balanced (B) and is_balanced (D) should return True , and is_balanced (C)
should return False, where B, C, and D are the example lists defined in Part 1 of the lab
above.
Hint: I might suggest starting your function with something like the three lines below:
n = len(num list)
first half sum = 0
last half sum =
Then you can build the two sums, conditioned on whether n is cven or odd.
2. Writc a function interleave that takes two lists 1st1 and lst2 of the same length and
that returs a combined list that alternates between the clements of cach list.
For example, interleave([1, 2, 3, 4], ['a', 'b', 'c', 'd']) should return the list
[1, 'a', 2, 'b', 3, 'c', 4, 'd'].
it returns the new list with the same entries asS 1st, except every pair of two adjacent values
lhas swapped locations.
3. Write a function swap adjacent that takes a list 1st with an even number of entrics, and
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