Hollow Hour Glass or Hollow Sand Glass Program in Python

 

Small Python Program For Beginners To Practice

In this article, we are going to write python code to print out hollow hour glass as shown in the featured Image.

If you are looking for a Python Tutorial series then it's here

The python code we are going to write is a combination of normal hollow pyramid and Inverted hollow pyramid. we are going to combine both of them to get the desired output.

def sand(n):
    for i in range(1, n+1):
        for j in range(1, i):
            print(" ", end="")

        for j in range(1, (n*2 - (2*i - 1))+1):
            if i == 1 or j == 1 or j ==(n*2 -(2*i-1)):
                print("*", end="")
            else:
                print(" ", end="")
        print()
    
    for i in range(2,n+1):
        for j in range(n-i):
            print(" ", end="")
        for j in range(1, (2*i-1)+1):
            if i == n or j == 1 or j == (2*i-1):
                print('*', end='')
            else:
                print(" ", end="")
        print()
       
sand(10)

The output of the above python program is:

*******************
 *               *
  *             *
   *           *
    *         *
     *       *
      *     *
       *   *
        * *
         *
        * *
       *   *
      *     *
     *       *
    *         *
   *           *
  *             *
 *               *
*******************