How to merge 2 text files in python?

Question

Python

file1.txt

some text
        with tabs here

file2.txt

and
              here

how to make
file3.txt

some text
        with tabs here
        and
              here

to save the tabulation?

Answer 1

open("file3.txt","w").write(open("file1.txt","r").read() + open("file2.txt","r").read())