def password_level(password): weak = re.compile(r'^((/d+)|([A-Za-z]+)|(/W+))$') level_weak = weak.match(password) level_middle = re.match(r'([0-9]+(/W+|/_+|[A-Za-z]+))+|([A-Za-z]+(/W+|/_+|/d+))+|((/W+|/_+)+(/d+|/w+))+',password) level_strong = re.match(r'(/w+|/W+)+',password) if level_weak:  print 'password level is weak',level_weak.group() else:  if (level_middle and len(level_middle.group())==len(password)):   print 'password level is middle',level_middle.group()  else:   if level_strong and len(level_strong.group())==len(password):    print 'password level is strong',level_strong.group()

if __name__ == '__main__': passwords = ('11','aa','LL','1a','1_','a_','a1','_1','*a','1a_','1a<') for pw in passwords:  password_level(pw)'''----------------------output------------------------#password level is weak 11#password level is weak aa#password level is weak LL#password level is middle 1a#password level is middle 1_#password level is middle a_#password level is middle a1#password level is middle _1#password level is middle *a#password level is strong 1a_#password level is strong 1a<'''