Lists in Python – Hacker Rank Solution

Lists 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, n, denoting the number of commands.
Each line i of the n 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();

Disclaimer: The above Problem (Lists in Python – Hacker Rank Solution) is generated by Hackerrank but the Solution is Provided by Chase2Learn. This tutorial is only for Educational and Learning purposes. Authority if any of the queries regarding this post or website fill the following contact form thank you.

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