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  1. def generate_pattern(n):
  2.     n = abs(n)
  3.  
  4.     if n < 3 or n % 3 == 0:
  5.         print("The input must be an odd number greater than or equal to 3")
  6.         return
  7.  
  8.     matrix = [["e" for _ in range(n)] for _ in range(n)]
  9.  
  10.     center = n // 2
  11.     for i in range(n):
  12.         matrix[i][center] = "e"
  13.  
  14.     for i in range(n):
  15.         matrix[center][i] = "*"
  16.  
  17.     for row in matrix:
  18.         print(" ".join(row))
  19.  
  20.  
  21. generate_pattern(5)
  22. print()
  23. generate_pattern(7)
  24. print()
  25. generate_pattern(-9)
  26.  
Success #stdin #stdout 0.01s 7264KB
comments (?)
stdin 
Standard input is empty
stdout 
e e e e e
e e e e e
* * * * *
e e e e e
e e e e e
()
e e e e e e e
e e e e e e e
e e e e e e e
* * * * * * *
e e e e e e e
e e e e e e e
e e e e e e e
()
The input must be an odd number greater than or equal to 3
https://ideone.com/ibn9Bx
language:
Python (cpython 2.7.16)
created:
14 hours ago
visibility:
public

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