The example.i file:
/* example.i */
%module example
%{
/* header files here or function declarations
like below: */
extern double My_variable;
extern int fact(int n);
extern int my_mod(int x, int y);
extern char *get_time();
%}
extern double My_variable;
extern int fact(int n);
extern int my_mod(int x, int y);
extern char *get_time();
Module name
Variables andfunctions to be exported to Python.