Number of lines of code

I was asked to find out the number of lines of code in our entire module so as to figure out how hard is to maintain it. Here is the source to find out the number of lines in a python project

Finding out the system is little endian or big endian system

Here first a value 1 is stored in a int variable. Address of that variable is taken and cast as a char address which will work only on the first byte of the word. If a value one is available in the char then its little endian system otherwise its big endian