Lists in Python | HackerRank Programming Solutions | HackerRank Python Solutions

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In this post, you will find the solution for Lists in Python-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

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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 ProblemLists in Python – Hacker Rank Solution

Lists in Python – Hacker Rank Solution

Consider a list (list = []). You can perform the following commands:

  1. insert i e: Insert integer  at position .
  2. print: Print the list.
  3. remove e: Delete the first occurrence of integer .
  4. append e: Insert integer  at the end of the list.
  5. sort: Sort the list.
  6. pop: Pop the last element from the list.
  7. reverse: Reverse the list.

Initialize your list and read in the value of  followed by  lines of commands where each command will be of the  types listed above. Iterate through each command in order and perform the corresponding operation on your list.

Example




  • : Append  to the list, .
  • : Append  to the list, .
  • : Insert  at index , .
  • : Print the array.
    Output:
[1, 3, 2]

Input Format

The first line contains an integer, , denoting the number of commands.
Each line  of the  subsequent lines contains one of the commands described above.

Constraints

  • The elements added to the list must be integers.

Output Format

For each command of type print, print the list on a new line.

Sample Input 0

12
insert 0 5
insert 1 10
insert 0 6
print
remove 6
append 9
append 1
sort
print
pop
reverse
print

Sample Output 0

[6, 5, 10]
[1, 5, 9, 10]
[9, 5, 1]
Lists in Python – Hacker Rank Solution
if __name__ == '__main__':
    N = int(input())
    # Lists in Python - Hacker Rank Solution START
    Output = [];
    for i in range(0,N):
        ip = input().split();
        if ip[0] == "print":
            print(Output)
        elif ip[0] == "insert":
            Output.insert(int(ip[1]),int(ip[2]))
        elif ip[0] == "remove":
            Output.remove(int(ip[1]))
        elif ip[0] == "pop":
            Output.pop();
        elif ip[0] == "append":
            Output.append(int(ip[1]))
        elif ip[0] == "sort":
            Output.sort();
        else:
            Output.reverse();

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