Day 4 of 100 Days

Day 4: 2018/04/29

Today’s Topic: Python: A byte of python

Today’s Progress: Today I started from version 3 of the “backup files” (page 95), with some practice (to version 5) and starts OOP. Ends before “Class and Object Variables” (page 104)
I also spent some time configure my VS Code on my laptop.

Thoughts: The tutorial would like us to use “zipfile” (or tarfile) instead of the “os.system()” (or in my case, This is an interesting thing to do.
I didn’t go too far (I didn’t do the recursively zip/traverse).


  • Keep on enhancement the code (enhancement, or change spec, or improve perf)
  • full process: what (analysis) → how (design) → do (implementation) → test (debug) → use (operation and deployment) → maintenance (refinement)
  • Need to double check how to “recursively” do zip with zipfile.ZipFile(…)
  • Need to double check how to add “zip method” (like bzip2)
  • Everything is an object.
  • variable in an object = field
  • functions in an object = method
  • self = this (in java or C++)
  • __init__

Link to work: Link to my own Google drive to show my progress here.

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