worked through the printw_example exercise, added python version

basics/printw_example.c

@@ -1,20 +1,19 @@
-#include <ncurses.h>            /* ncurses.h includes stdio.h */
+#include <ncurses.h>
 #include <string.h>
 
 int main()
 {
- char mesg[]="Just a string";        /* message to be appeared on the screen */
- int row,col;                /* to store the number of rows and *
-                     * the number of colums of the screen */
- initscr();                /* start the curses mode */
- getmaxyx(stdscr,row,col);        /* get the number of rows and columns */
- mvprintw(row/2,(col-strlen(mesg))/2,"%s",mesg);
-                                    /* print the message at the center of the screen */
- mvprintw(row-2,0,"This screen has %d rows and %d columns\n",row,col);
- printw("Try resizing your window(if possible) and then run this program again");
- refresh();
- getch();
- endwin();
+    char mesg[] = "Just a string";
+    int row, col;
 
- return 0;
+    initscr();
+    getmaxyx(stdscr, row, col);
+    mvprintw(row / 2, (col - strlen(mesg)) / 2, "%s", mesg);
+    mvprintw(row - 2, 0, "This screen has %d rows and %d columns\n", row, col);
+    printw("Try resizing your window (if possible) and then run this program again");
+    refresh();
+    getch();
+    endwin();
+
+    return 0;
 }

basics/printw_example.py

@@ -0,0 +1,25 @@
+import sys
+import curses
+
+
+def printw_example(stdscr):
+    mesg = "Just a string"
+    row, col = stdscr.getmaxyx()
+    stdscr.addstr(row / 2, (col - len(mesg)) / 2, mesg)
+    stdscr.addstr(row - 2, 0, "This screen has {0} rows and {1} "
+                              "columns\n".format(row, col))
+    stdscr.addstr(row - 1, 0, "Try resizing your window (if possible) and then"
+                              "run this program again")
+    stdscr.refresh()
+    stdscr.getch()
+
+
+def main():
+    curses.wrapper(printw_example)
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())
+
+# vim:filetype=python