(self, key)
A quadkey must be between 1 and 23 digits and can only contain digit[0-3]
A quadkey must be between 1 and 23 digits and can only contain digit[0-3]
A quadkey must be between 1 and 23 digits and can only contain digit [ 0 - 3 ]
def __init__(self, key):
        """
        A quadkey must be between 1 and 23 digits and can only contain digit[0-3]
        """
        self.key = key
        self.level = len(key)
def __init__ ( self , key ) : self . key = key self . level = len ( key )