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  1. rows = 5
  2. for i in range(0, rows):
  3.     for j in range(0, i + 1):
  4.         print("*", end=' ')
  5.     print("\r")
  6.  
  7. for i in range(rows, 0, -1):
  8.     for j in range(0, i - 1):
  9.         print("*", end=' ')
  10.     print("\r")
  11.  
  12. rows = 5
  13. i = 1
  14. while i <= rows:
  15.     j = i
  16.     while j < rows:
  17.         # display space
  18.         print(' ', end=' ')
  19.         j += 1
  20.     k = 1
  21.     while k <= i:
  22.         print('*', end=' ')
  23.         k += 1
  24.     print()
  25.     i += 1
  26.  
  27. i = rows
  28. while i >= 1:
  29.     j = i
  30.     while j <= rows:
  31.         print(' ', end=' ')
  32.         j += 1
  33.     k = 1
  34.     while k < i:
  35.         print('*', end=' ')
  36.         k += 1
  37.     print('')
  38.     i -= 1
Success #stdin #stdout 0.03s 9580KB
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stdin
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Standard input is empty
stdout
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* 
* * 
* * * 
* * * * 
* * * * * 
* * * * 
* * * 
* * 
* 

        * 
      * * 
    * * * 
  * * * * 
* * * * * 
  * * * * 
    * * * 
      * * 
        *
https://ideone.com/br2ktw
language:
Python 3 (python  3.9.5)
created:
16 days ago
visibility:
public

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