with
Statement¶with
statement close
method to release the resourcewith open('accounts.txt', mode='w') as accounts:
accounts.write('100 Jones 24.98\n')
accounts.write('200 Doe 345.67\n')
accounts.write('300 White 0.00\n')
accounts.write('400 Stone -42.16\n')
accounts.write('500 Rich 224.62\n')
print
, which automatically outputs a \n
, as inprint('100 Jones 24.98', file=accounts)
# macOS/Linux Users: View file contents
!cat accounts.txt
# Windows Users: View file contents
!more accounts.txt
open
¶accounts.txt
and associates it with a file objectmode
argument specifies the file-open mode'w'
opens the file for writing, creating the file if it does not exist.txt
file extension indicates a plain text filewith
statement assigns the object returned by open
to the variable accounts
in the as
clausewith
statement’s suite uses accounts
to interact with the filewrite
method writes one record at a time to the filewith
statement’s suite, the with
statement implicitly calls the file object’s close
method to close the file ©1992–2020 by Pearson Education, Inc. All Rights Reserved. This content is based on Chapter 5 of the book Intro to Python for Computer Science and Data Science: Learning to Program with AI, Big Data and the Cloud.
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