\documentclass{article}
\usepackage[vlined,ruled,linesnumbered]{algorithm2e}
\usepackage{algpseudocode}
 

\SetKwInput{KwInput}{Input}
\SetKwInput{KwOutput}{Output}
\SetKwInput{KwData}{Data}
 
\begin{document}
 
 
 
\begin{algorithm}
    \caption{Example code}
    \KwInput{Your Input}
    \KwOutput{Your output}
    \KwData{Testing set $x$}
 
    $\sum_{i=1}^{\infty} := 0$
    \tcp*{this is a comment}
    \tcc{Now this is an if...else conditional loop}
    \If{Condition 1}{
        Do Something \\
        \If{sub-condition}{
            Do a lot
        }
    }\ElseIf{Condition 2}{
            Do Otherwise
            \tcc{Now this is a for loop}
            \For{sequence}{
            loop instructions
            }
        }
    \Else{
        Do the rest
    }
    \tcc{Now this is a While loop}
    \While{Condition}{
        do something
    }
 
\end{algorithm}
 
\end{document}