What does unexpected EOF mean in Python?

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Tags

1. #blocks
2. #before
3. #requires
4. #syntaxerror
5. #means
6. #block
7. #source
8. #contains
9. #least
10. #completed
11. #answers
12. #should
13. #range
14. #starts
15. #afterwards
16. #reached
17. #statement
18. #unexpected
19. #while
20. #parsing