row = 1 while row <= 9: col = 1 while col <= row: print("%d * %d = %d" % (col, row, row*col), end="\t\t") col += 1 print("") row += 1
for row in range(1, 10): for col in range(1, row+1): print("{} * {} = {}".format(col, row, row*col), end="\t\t") print("")
row = 1 while row <= 9: col = 1 while col <= row: print("{} * {} = {}" .format (col, row, row*col), end="\t\t") col += 1 print("") row += 1
for row in range(1, 10): for col in range(1, row+1): print("%d * %d = %d"% (col, row, row*col), end="\t\t") print("")