Password Security

import re

def isok(password):
    nbr = 0
    maj = 0
    min = 0
    if(re.match("[a-zA-Z0-9]+", password)):
        for char in data:
            if(ord(char) > 64 and ord(char) < 91):  #Maj Checking
                maj = maj + 1
            if(ord(char) > 96 and ord(char) < 123): #Min Checking
                min = min + 1
            if(ord(char) > 47 and ord(char) < 58):  #Nbr Checking
                nbr = nbr + 1
        if(len(password) >= 10 and nbr >= 1 and min >= 1 and maj >= 1):
            return 1
        else:
            return 0