Lists - Hackerrank solution

 

Lists

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Task

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

insert i e: Insert integer e at position i.
print: Print the list.
remove e: Delete the first occurrence of integer e.
append e: Insert integer e at the end of the list.
sort: Sort the list.
pop: Pop the last element from the list.
reverse: Reverse the list.
Initialize your list and read in the value of n followed by n lines of commands
where each command will be of the 7 types listed above. Iterate through each
command in order and perform the corresponding operation on your list.

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Solution:

if __name__ == '__main__':     N = int(input())     L=[];     for i in range(0,N):         cmd=input().split();         if cmd[0] == "insert":             L.insert(int(cmd[1]),int(cmd[2]))         elif cmd[0] == "append":             L.append(int(cmd[1]))         elif cmd[0] == "pop":             L.pop();         elif cmd[0] == "print":             print(L)         elif cmd[0] == "remove":             L.remove(int(cmd[1]))         elif cmd[0] == "sort":             L.sort();         else:             L.reverse();

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Note:

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