127th program input & output

Input : Enter how many line you need to make pyramid = 3
Output :-

                         1

              1         2         1

 1          2          3         2       1

             1          2         1

                         1
/////////////////////////////////////////////////////////////////////////////////////////////
Input : Enter how many line you need to make pyramid = 2
Output :-

                         1

             1          2         1

                         1
/////////////////////////////////////////////////////////////////////////////////////////////