Consider the first number, say m. See how many times this number is repeated consecu- tively. If it is repeated k times in a row, it gives rise to two entries in the output list: first the number k, then the number m. (This is similar to how we say "four 2s" when we see [2,2,2,2].) Then we move on to the next number after this run of m. Repeat the process until every number in the list is considered.
Consider the first number, say m. See how many times this number is repeated consecu- tively. If it is repeated k times in a row, it gives rise to two entries in the output list: first the number k, then the number m. (This is similar to how we say "four 2s" when we see [2,2,2,2].) Then we move on to the next number after this run of m. Repeat the process until every number in the list is considered.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Python Language
Read aloud function. It should turn [1,1,1,1,4,4,4] into [4,1,3,4] (four 1s and three 4s.)
![When we read aloud the list [1,1,1,1,4,4,4], we most likely say four 1s and three 4s, instead of
uttering each number one by one. This simple observation inspires the function you are about to im-
plement. You're to write a function readAloud (1st: list[int]) -> list[int] that takes as input
a list of integers (positive and negative) and returns a list of integers constructed using the following
"read-aloud" method:
Consider the first number, say m. See how many times this number is repeated consecu-
tively. If it is repeated k times in a row, it gives rise to two entries in the output list: first
the number k, then the number m. (This is similar to how we say “four 2s" when we see
[2,2,2,2].) Then we move on to the next number after this run of m. Repeat the process
until every number in the list is considered.
The process is perhaps best understood by looking at a few examples:
• readAloud([]) should return []
• readAloud([1,1,1]) should return [3,1]
readAloud([-1,2,7]) should return [1,-1,1,2,1,7]
readAloud([3,3,8,-10,-10,-10]) should return [2,3,1,8,3,-10]
readAloud ([3,3,1,1,3,1, 1]) should return [2,3,2,1,1,3,2,1]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F212669af-194e-466f-bbf3-0f75e34a2fe8%2F0d868288-95cc-446d-93ea-3c59687b540a%2F2j198f_processed.png&w=3840&q=75)
Transcribed Image Text:When we read aloud the list [1,1,1,1,4,4,4], we most likely say four 1s and three 4s, instead of
uttering each number one by one. This simple observation inspires the function you are about to im-
plement. You're to write a function readAloud (1st: list[int]) -> list[int] that takes as input
a list of integers (positive and negative) and returns a list of integers constructed using the following
"read-aloud" method:
Consider the first number, say m. See how many times this number is repeated consecu-
tively. If it is repeated k times in a row, it gives rise to two entries in the output list: first
the number k, then the number m. (This is similar to how we say “four 2s" when we see
[2,2,2,2].) Then we move on to the next number after this run of m. Repeat the process
until every number in the list is considered.
The process is perhaps best understood by looking at a few examples:
• readAloud([]) should return []
• readAloud([1,1,1]) should return [3,1]
readAloud([-1,2,7]) should return [1,-1,1,2,1,7]
readAloud([3,3,8,-10,-10,-10]) should return [2,3,1,8,3,-10]
readAloud ([3,3,1,1,3,1, 1]) should return [2,3,2,1,1,3,2,1]
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