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  1. # your code goes here
  2. import sys
  3. x=input('enter a number\n')
  4. for i in range(-1,x):
  5. k=x-i+1
  6. for m in range(k):
  7. sys.stdout.write(' ')
  8. for j in range(2*i+1,0,-1):
  9. sys.stdout.write('*')
  10. print
  11. for i in range(x-1,-1,-1):
  12. k=x-i+1
  13. for m in range(k):
  14. sys.stdout.write(' ')
  15. for j in range(2*i+1,0,-1):
  16. sys.stdout.write('*')
  17. print
Success #stdin #stdout 0s 23352KB
stdin
6
stdout
enter a number
        
       *
      ***
     *****
    *******
   *********
  ***********
  ***********
   *********
    *******
     *****
      ***
       *