Simple file manipulations
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The deadline for this exercise is at 22:00, which is less than 5 minutes away.
The deadline for this exercise was at 2018-10-02 22:00. You can still submit, but your submissions may not be accounted for.
### command 1 ###
# put the command here
### command 2 ###
# put the command here
### command 3 ###
# put the command here
### command 4 ###
# put the command here
### command 5 ###
# put the command here
### command 6 ###
# put the command here
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