Prove that there is God. (see the details below)?

Prove that there is God. This is the situation. Comply with it.
I am a person who was locked up in a room since I am born. Therefore, I don't know a single thing about God, and I DON'T BELIEVE in the Bible.
Update: Guys. just cool down okay?? stick to the topic. I myself truly believe in God, as a member of a strong church group. This is just a question raised in our university.
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