def is_team_member(name, team_name, profile='github'):
 return (name.lower() in list_team_members(team_name, profile=profile))

def is_team_member ( name , team_name , profile = 'github' ) : return ( name . lower ( ) in list_team_members ( team_name , profile = profile ) )
returns true if the github user is in the team with team_name .