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Files and exceptions
- 123. Computer memory and files
- 124. Opening and closing a file for reading: file and close
- 125. Opening and closing a file for writing: file and close
- 126. Reading a whole text file at once: read()
- 127. Reading a whole text file at once: readlines()
- 128. Writing to a text file: write()
- 129. Writing to a text file: write()