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Introduction To Python
Python is a widely-used, interpreted, object-oriented, and high-level programming language with dynamic semantics, used for general-purpose programming. It was created by Guido van Rossum, and first released on February 20, 1991.
Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. It is also used to create various machine learning algorithm, and helps in Artificial Intelligence. Python is a general purpose language, meaning it can be used to create a variety of different programs and isn’t specialized for any specific problems. This versatility, along with its beginner-friendliness, has made it one of the most-used programming languages today. A survey conducted by industry analyst firm RedMonk found that it was the most popular programming language among developers in 2020.
Link for the Problem – Compress the String in python – HackerRank Solution
Compress the String in python – HackerRank Solution
Problem:
In this task, we would like for you to appreciate the usefulness of the groupby() function of itertools . To read more about this function, Check this out .
You are given a string S. Suppose a character ‘c’ occurs consecutively X times in the string. Replace these consecutive occurrences of the character ‘c’ with (X,c)
in the string.
For a better understanding of the problem, check the explanation.
Input Format :
A single line of input consisting of the string S.
Output Format :
A single line of output consisting of the modified string.
Constraints :
All the characters of S denote integers between 0 and 9.
- 1 <= | S | <= 10^4
Sample Input :
1222311
Sample Output :
(1, 1) (3, 2) (1, 3) (2, 1)
Explanation :
First, the character 1 occurs only once. It is replaced by (1, 1). Then the character 2 occurs three times, and it is replaced by (3, 2) and so on.
Also, note the single space within each compression and between the compressions.
Compress the String in python – HackerRank Solution
# Compress the String in python - Hacker Rank Solution
# Python 3
# Enter your code here. Read input from STDIN. Print output to STDOUT
# Compress the String in python - Hacker Rank Solution START
from itertools import *
io = input()
for i,j in groupby(map(int,list(io))):
print(tuple([len(list(j)), i]) ,end = " ")
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