Lecture 04 Errors and Modules

• errors

• exceptions

  • list access as avoidable error
  • open() as error we have to catch
  • try/except
  • creating your own exceptions
  • raise
  • finally

• modules I

  • hello_world module
  • import ... ( as ... )
  • from ... import ...

• useful modules

  • json, csv, yaml
  • math
  • regex
  • datetime
  • useful but not used here: os, sys, argparse, tabulate

• modules II (Future lecture)

  • I answered a question wrong
  • virtual environments and kernels
  • pandas (.pivot_table and stuff like that)