How to extract elements of a list and append?












3












$begingroup$


A beginner's question:



Is there a way to extract elements of a list and append them into ONE number?



For example, if there is a list L={13,5,8,0}, then I am looking for a way to append 13, 5, 8 and 0 to produce the result 13580.






list-manipulation







share|improve this question









New contributor




Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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$endgroup$

















    3












    $begingroup$


    A beginner's question:



    Is there a way to extract elements of a list and append them into ONE number?



    For example, if there is a list L={13,5,8,0}, then I am looking for a way to append 13, 5, 8 and 0 to produce the result 13580.






    list-manipulation







    share|improve this question









    New contributor




    Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      3












      3








      3





      $begingroup$


      A beginner's question:



      Is there a way to extract elements of a list and append them into ONE number?



      For example, if there is a list L={13,5,8,0}, then I am looking for a way to append 13, 5, 8 and 0 to produce the result 13580.






      list-manipulation







      share|improve this question









      New contributor




      Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      A beginner's question:



      Is there a way to extract elements of a list and append them into ONE number?



      For example, if there is a list L={13,5,8,0}, then I am looking for a way to append 13, 5, 8 and 0 to produce the result 13580.






      list-manipulation




      list-manipulation






      share|improve this question









      New contributor




      Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




      Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question








      edited 59 mins ago









      m0nhawk

      2,57711531




      2,57711531






      New contributor




      Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 1 hour ago









      SreekzSreekz

      162




      162




      New contributor




      Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      New contributor





      Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Sreekz is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















          3 Answers
          3






          active

          oldest

          votes


















          3












          $begingroup$

          Or FromDigits:



          FromDigits[{13, 5, 8, 0}]
          

          
13580





          share|improve this answer









          $endgroup$









          • 1




            $begingroup$
            (+1) you will need something like FromDigits[Flatten@IntegerDigits@L] to cover cases like L={1, 13, 5, 8, 0}.
            $endgroup$
            – kglr
            40 mins ago



















          2












          $begingroup$

          You can convert the list numbers to strings, then join and finally convert back to number:



          L = {13, 5, 8, 0};
          

          
ToExpression[StringJoin[ToString /@ L]]
          
(* 13580 *)





          share|improve this answer









          $endgroup$





















            1












            $begingroup$

            FromDigits @ StringJoin @ IntegerString @ L



            13580




            FromDigits @ StringJoin @ IntegerString @ {13, 5, 38, 13}



            1353813







            share|improve this answer









            $endgroup$













              Your Answer





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              3 Answers
              3






              active

              oldest

              votes








              3 Answers
              3






              active

              oldest

              votes









              active

              oldest

              votes






              active

              oldest

              votes









              3












              $begingroup$

              Or FromDigits:



              FromDigits[{13, 5, 8, 0}]
              

              
13580





              share|improve this answer









              $endgroup$









              • 1




                $begingroup$
                (+1) you will need something like FromDigits[Flatten@IntegerDigits@L] to cover cases like L={1, 13, 5, 8, 0}.
                $endgroup$
                – kglr
                40 mins ago
















              3












              $begingroup$

              Or FromDigits:



              FromDigits[{13, 5, 8, 0}]
              

              
13580





              share|improve this answer









              $endgroup$









              • 1




                $begingroup$
                (+1) you will need something like FromDigits[Flatten@IntegerDigits@L] to cover cases like L={1, 13, 5, 8, 0}.
                $endgroup$
                – kglr
                40 mins ago














              3












              3








              3





              $begingroup$

              Or FromDigits:



              FromDigits[{13, 5, 8, 0}]
              

              
13580





              share|improve this answer









              $endgroup$



              Or FromDigits:



              FromDigits[{13, 5, 8, 0}]
              

              
13580






              share|improve this answer












              share|improve this answer



              share|improve this answer










              answered 45 mins ago









              RabbitRabbit

              337139




              337139








              • 1




                $begingroup$
                (+1) you will need something like FromDigits[Flatten@IntegerDigits@L] to cover cases like L={1, 13, 5, 8, 0}.
                $endgroup$
                – kglr
                40 mins ago














              • 1




                $begingroup$
                (+1) you will need something like FromDigits[Flatten@IntegerDigits@L] to cover cases like L={1, 13, 5, 8, 0}.
                $endgroup$
                – kglr
                40 mins ago








              1




              1




              $begingroup$
              (+1) you will need something like FromDigits[Flatten@IntegerDigits@L] to cover cases like L={1, 13, 5, 8, 0}.
              $endgroup$
              – kglr
              40 mins ago




              $begingroup$
              (+1) you will need something like FromDigits[Flatten@IntegerDigits@L] to cover cases like L={1, 13, 5, 8, 0}.
              $endgroup$
              – kglr
              40 mins ago











              2












              $begingroup$

              You can convert the list numbers to strings, then join and finally convert back to number:



              L = {13, 5, 8, 0};
              

              
ToExpression[StringJoin[ToString /@ L]]
              
(* 13580 *)





              share|improve this answer









              $endgroup$


















                2












                $begingroup$

                You can convert the list numbers to strings, then join and finally convert back to number:



                L = {13, 5, 8, 0};
                

                
ToExpression[StringJoin[ToString /@ L]]
                
(* 13580 *)





                share|improve this answer









                $endgroup$
















                  2












                  2








                  2





                  $begingroup$

                  You can convert the list numbers to strings, then join and finally convert back to number:



                  L = {13, 5, 8, 0};
                  

                  
ToExpression[StringJoin[ToString /@ L]]
                  
(* 13580 *)





                  share|improve this answer









                  $endgroup$



                  You can convert the list numbers to strings, then join and finally convert back to number:



                  L = {13, 5, 8, 0};
                  

                  
ToExpression[StringJoin[ToString /@ L]]
                  
(* 13580 *)






                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 53 mins ago









                  m0nhawkm0nhawk

                  2,57711531




                  2,57711531























                      1












                      $begingroup$

                      FromDigits @ StringJoin @ IntegerString @ L



                      13580




                      FromDigits @ StringJoin @ IntegerString @ {13, 5, 38, 13}



                      1353813







                      share|improve this answer









                      $endgroup$


















                        1












                        $begingroup$

                        FromDigits @ StringJoin @ IntegerString @ L



                        13580




                        FromDigits @ StringJoin @ IntegerString @ {13, 5, 38, 13}



                        1353813







                        share|improve this answer









                        $endgroup$
















                          1












                          1








                          1





                          $begingroup$

                          FromDigits @ StringJoin @ IntegerString @ L



                          13580




                          FromDigits @ StringJoin @ IntegerString @ {13, 5, 38, 13}



                          1353813







                          share|improve this answer









                          $endgroup$



                          FromDigits @ StringJoin @ IntegerString @ L



                          13580




                          FromDigits @ StringJoin @ IntegerString @ {13, 5, 38, 13}



                          1353813








                          share|improve this answer












                          share|improve this answer



                          share|improve this answer










                          answered 34 mins ago









                          kglrkglr

                          179k9199410




                          179k9199410






















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