def testuok1(func):
  import sys
  originalas = sys.stdout
  sys.stdout = open('atsakymai.txt', 'w')
  testai = (([1],1),([6],6),([7],1),([8],2),([14],2),
            ([100],16),([1000],148),([2000],290))
  for t in testai:
    func(*t[0])
  sys.stdout.close()
  sys.stdout = originalas

  with open('atsakymai.txt') as atsakymai:
    klaidu_sk = 0
    for i, ats in enumerate(atsakymai):
      if int(ats) != testai[i][1]:
        print('Blogai su kaina=', *testai[i][0])
        klaidu_sk += 1
  if klaidu_sk == 0:
    print(f'Teisingi visi {len(testai)} testai')
  else:
    print(f'Klaidingi {klaidu_sk} testai, iš viso {len(testai)}')
#----------------------------------------
def testuok2(func):
  testai = [(1,1),(6,6),(7,1),(8,2),(14,2),
            (100,16),(1000,148),(2000,290)]
  klaidu_sk = 0
  for arg, etal in testai:
    ats = func(arg)
    if ats != etal:
      print('Blogai su kaina=', arg)
      klaidu_sk += 1
  if klaidu_sk == 0:
    print(f'Teisingi visi {len(testai)} testai')
  else:
    print(f'Klaidingi {klaidu_sk} testai, iš viso {len(testai)}')