Add line numbers to defenition report

[Tadaboody]

I find this useful for navigating the dead code reported by dead

[asottile]

this looks way better 👍

[asottile]

Thanks!

[mxr]

Since this change prevents double quotes in the code, should we apply the below to .coveragerc?

-    ^if __name__ == ['"]__main__['"]:$
+    ^if __name__ == '__main__':$

[asottile]

Since this change prevents double quotes in the code, should we apply the below to .coveragerc?

-    ^if __name__ == ['"]__main__['"]:$
+    ^if __name__ == '__main__':$

Maybe, except I use the same file for all my projects