# 21 astericks produced over 10 lines # print('01234567890123456789\n') # print(' *') # print(' ***') # print(' *****') # print(' *******') # print(' *********') # print(' ***********') # print(' *************') # print(' ***************') # print(' *****************') # print(' *******************') # print('\n01234567890123456789\n') # for line in range(10): # space = 9 - line # #print(line, space) # print(' ' * space, '*') # print('\n01234567890123456789\n') #for line in range(10): for line in [0,1,2,3,4,5,6,7,8,9]: space = 9 - line asterisk = line * 2 + 1 print(' ' * space, '*' * asterisk) # print('\n01234567890123456789')