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The deadline for this exercise is at 12:30, which is less than 5 minutes away.
The deadline for this exercise was at 2020-01-09 12:30. You can still submit, but your submissions may not be accounted for.
### part 1 ###
# replace this comment by your solution
### part 2 ###
# replace this comment by your solution
### part 3 ###
# replace this comment by your solution
### part 4 ###
# replace this comment by your solution
### part 5 ###
# replace this comment by your solution
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