"Thomas Weidner" <wolf359_ at gmx.net> wrote in message news:pan.2001.11.01.17.30.27.280.2271 at gmx.net... > I think anybody here knows what references,like in java,c++ or perl, are. > How can i use references in python ? Implicitly. Consider the following: >>> a = [1,2,3] >>> b = a >>> b[1] = 20 >>> print a [1, 20, 3]