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  1. rows = 6
  2. for i in range(0, rows):
  3.     for j in range(0, i + 1):
  4.         print("*", end=' ')
  5.     print(" ")
  6.  
  7. print(" ")
  8.  
  9. for i in range(rows + 1, 0, -1):
  10.     for j in range(0, i - 1):
  11.         print("*", end=' ')
  12.     print(" ")
Success #stdin #stdout 0.03s 9564KB
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Standard input is empty
stdout
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1 
1 1 
1 2 1 
1 3 3 1 
1 4 6 4 1 
1 5 10 10 5 1 
1 6 15 20 15 6 1
https://ideone.com/5rAEh1
language:
Python 3 (python  3.9.5)
created:
15 days ago
visibility:
public

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