print ("This file tests for loops. ")  

for i in range(1, 9):
  print(i)
  for j in range(i, 9):
    print(j)

print("OK")
print ("This file tests for loops. ")  

for i in range(1, 9):
  print(i)
  for j in range(i, 9):
    print(j)

print("OK")