I get a “syntaxerror: non default argument follows default argument” error when I run the following code from os import system def exam(len1,hgt=len1,til,col=0): system('mode con cols='+len1,'lines='+hgt) system('title',til) system('color',col) exam(61,22,"hi","0b") input() How to fix ? Give me some tips that can help me fix it.