def get_gravatar_url(email):
 return ('https://www.gravatar.com/avatar/%s?d=identicon&s=%s' % (hashlib.md5(email).hexdigest(), GRAVATAR_SIZE_PX))

def get_gravatar_url ( email ) : return ( 'https://www.gravatar.com/avatar/%s?d=identicon&s=%s' % ( hashlib . md5 ( email ) . hexdigest ( ) , GRAVATAR_SIZE_PX ) )
returns the gravatar url for the specified email .