Should I try to work things out with my ex?

My ex lied about having a Match account a few months back, and I didn't really care that much. Recently, a friend texted me that she had a Match account and sent me a screenshot for me. I texted her that I needed space, but she blocked me. Should I try to get in contact with her? I want to ask her why she lied. Or should I leave her alone?

Should I try to work things out with my ex?
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