1 def get_among(dico,key,allowed,default):

     2     res = dico.get(key, None)

     3     if not res or res not in allowed:

     4         return default

     5     else:

     6         return res

     7         

     8         

     9 def get_int(dico, key, default):

    10     try:

    11         return int(dico.get(key, default))

    12     except ValueError:

    13         return default