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  1. rows = 5
  2. i = 1
  3. while i <= rows:
  4.     j = i
  5.     while j < rows:
  6.         # display space
  7.         print(' ', end=' ')
  8.         j += 1
  9.     k = 1
  10.     while k <= i:
  11.         print('*', end=' ')
  12.         k += 1
  13.     print()
  14.     i += 1
  15.  
  16. i = rows
  17. while i >= 1:
  18.     j = i
  19.     while j <= rows:
  20.         print(' ', end=' ')
  21.         j += 1
  22.     k = 1
  23.     while k < i:
  24.         print('*', end=' ')
  25.         k += 1
  26.     print('')
  27.     i -= 1
Success #stdin #stdout 0.03s 9604KB
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stdin
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Standard input is empty
stdout
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        * 
      * * 
    * * * 
  * * * * 
* * * * * 
  * * * * 
    * * * 
      * * 
        *
https://ideone.com/RbXdKi
language:
Python 3 (python  3.9.5)
created:
15 days ago
visibility:
public

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