Warning: fopen(lec4.txt) [function.fopen]: failed to open stream: Permission denied in /home/dumacity/public_html/Pages/Thaqafy/lecture/lec4.php on line 129

Warning: fwrite(): supplied argument is not a valid stream resource in /home/dumacity/public_html/Pages/Thaqafy/lecture/lec4.php on line 130

Warning: fputs(): supplied argument is not a valid stream resource in /home/dumacity/public_html/Pages/Thaqafy/lecture/lec4.php on line 131

Warning: fclose(): supplied argument is not a valid stream resource in /home/dumacity/public_html/Pages/Thaqafy/lecture/lec4.php on line 132