Main prints the madian

How many number you like to enter: $9$

Enter number $1$: $10$

Enter number $2$: $20$

Enter number $3$: $30$

Enter number $4$: $40$

Enter number $5$: $50$

Enter number $6$: $60$

Enter number $7$: $70$

Enter number $8$: $80$

Enter number $9$: $90$

The median is: $50$

How many number you like to enter: $6$

Enter number $1$: $11$

Enter number $2$: $15$

Enter number $3$: $16$

Enter number $4$: $18$

Enter number $5$: $212$

Enter number $6$: $220$

The median is: $17$

$===============================$

How many number you like to enter: $6$

Enter number $1$: $11$

Enter number $2$: $15$

Enter number $3$: $18$

Enter number $5$:$23$

Enter number $6$: $220$

Enter number $7$: $221$

The median is: $20$

$===============================$

the middle is $20\mathrm{.}5$ in the last case but since we only deal with integer we get the integer part

which is $20.$