tup = ['[01]','[02]','[03]','[04]','[05]','[06]','[07]','[08]','[09]','[10]','[11]','[12]','[13]','[14]','[15]','[16]','[17]','[18]','[19]','[20]','[21]','[22]','[23]','[24]','[25]','[26]','[27]','[28]','[29]','[30]','[31]','[32]','[33]','[34]','[35]','[36]','[37]','[38]','[39]','[40]','[41]','[42]','[43]','[44]','[45]','[46]','[47]','[48]','[49]','[50]']

squares = []

for index in range(len(tup)):
  tup.append(tup.pop(0))
  squares.append(tup.copy())

#Everything below here is just printing

for s in range(5):
  for d in range(0,50,10):
    for si in range(s,50,10):
      for li in range(d,d+10):
        print(squares[si][li], end = '')
    print('')

x = ????

def check_sudoku(x):
    z= zip(*x) #matrix transpose
    for i in x:
        if len(i)!=len(set(i)):#removes duplicates then checks length
            return False
    for j in z:
        if len(j)!=len(set(j)):
            return False
    return True