(self, value)
S.remove(value) -- remove first occurrence of value.
           Raise ValueError if the value is not present.
S.remove(value) -- remove first occurrence of value.
           Raise ValueError if the value is not present.
S . remove ( value ) -- remove first occurrence of value . Raise ValueError if the value is not present .
def remove(self, value):
        '''S.remove(value) -- remove first occurrence of value.
           Raise ValueError if the value is not present.
        '''
        del self[self.index(value)]
def remove ( self , value ) : del self [ self . index ( value ) ]