# 65ms Python solution

• I am new to python
This is a relatively neat solution for me
Please tell me if there can be more improvements?
'''
class Solution(object):
def isValidSudoku(self, board):
"""
:type board: List[List[str]]
:rtype: bool
"""

``````    def evaluation(list):
return len(set(list)) == len(list)

def column(i):
return [row[i] for row in board]

def block(i,j):
temp = []
for s in xrange(3):
for t in xrange(3):
temp.append(board[i+s][j+t])
return temp

#row evaluation
for row in board:
tmp = [strRow for strRow in row if strRow != '.']
if not evaluation(tmp):
return False

#column evaluation
for i in xrange(9):
tmp = [strColumn for strColumn in column(i) if strColumn != '.']
if not evaluation(tmp):
return False

#block evaluation
for i in xrange(3):
for j in xrange(3):
tmp = [strBlock for strBlock in block(3*i,3*j) if strBlock != '.']
if not evaluation(tmp):
return False

return True
``````

'''

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