Asked by: Hichan Zhitetsky
technology and computing programming languages

What function do you use to open a file in Python?

Last Updated: 22nd April, 2020

Open() The open() function is used to open files inoursystem, the filename is the name of the file to be opened.Themode indicates, how the file is going to be opened "r"forreading, "w" for writing and "a" for a appending.

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In this manner, how do you open a file in Python?


  1. Python allows you to read, write and delete files.
  2. Use the function open("filename","w+") to create a file.
  3. To append data to an existing file use thecommandopen("Filename", "a")
  4. Use the read function to read the ENTIRE contents ofafile.
  5. Use the readlines function to read the content of the fileoneby one.

what are the types of file in Python? There are three kinds of mode, that Python provides andhowfiles can be opened:

  • “ r “, for reading.
  • “ w “, for writing.
  • “ a “, for appending.
  • “ r+ “, for both reading and writing.

Also to know, what does open () do in Python?

Python open() Function The open() function opens a file, and returnsitas a file object. Read more about file handling in ourchaptersabout File Handling.

What is csv file in Python?

The csv module gives the Pythonprogrammerthe ability to parse CSV (Comma SeparatedValues)files. A CSV file is a human readabletextfile where each line has a number of fields, separatedbycommas or some other delimiter. You can think of each line as arowand each field as a column.

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