# Every block is eulerian graph is eulerian

This is a question from Bondy & Murty book, 4.1.3.

The question asks to show that every block of an eulerian graph is eulerian.

I have been stuck for a while now. The hint in the book says to use the fact that for each vertex $$v$$ of $$G$$, every cycle through $$v$$ is contained in some block of $$G$$. I do not see how one can utilize this.