Notes for Lecture 16 on November 24, 2020

Expand Abbreviations and Numbers

• Basic design of program
• Version 1: read in a file
• Version 2: split line into 2 parts separated by a tab character
• Version 3: create a dictionary with abbreviations as keys and expansions as values
• Version 4: read in input line and split it into words
• Version 5: substitute the expressions for the abbreviations and print the line
• Version 6: make loading the dictionary a function
• Version 7: add to the dictionary numbers as keys and their words as values
• Version 8: have the function return a dictionary (so there are two dictionaries)
  • abbrev.py
• Input file and dictionaries
  1. abbreviations.txt, file of abbreviations
  2. abbreviations-num.txt, file of numbers
  3. abbrev-input.txt, sample input file

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