Outline for November 12, 2020

Reading: §7
Due: Homework 3, due November 13, 2020

1. File Input and Output for text files
   1. Opening and closing: open(filename, mode), close()
   2. Reading: readline(), readlines(), read(), read(n)
   3. Writing: write(str), writelines(list)

2. Examples
   1. Print out a named file [fileio-1.py]
   2. Print out a named file and prepend line numbers [fileio-2.py]
   3. Store the output in filename.lst [fileio-3.py]

3. Examples
   1. Put lines in a file in random order [randlines.py]
   2. Read in a list of words from a file, then search it as requested; similar to linear search program [search-1.py]
   3. Now see how many words you checked total [search-1c.py]

4. Word count programs: reading from files

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu

MHI 289I, Programming for Health Informatics Version of November 12, 2020 at 10:42PM

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