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All file modes in Python

• r for reading
• w for writing
• r+ opens for reading and writing (cannot truncate a file)
• w+ for writing and reading (can truncate a file)
• rb+ reading or writing a binary file
• wb+ writing a binary file
• a+ opens for appending
• x open for exclusive creation, failing if the file already exists (Python 3)

All file modes in Python

• r for reading
• r+ opens for reading and writing (cannot truncate a file)
• w for writing
• w+ for writing and reading (can truncate a file)
• rb for reading a binary file. The file pointer is placed at the beginning of the file.
• rb+ reading or writing a binary file
• wb+ writing a binary file
• a+ opens for appending
• ab+ Opens a file for both appending and reading in binary. The file pointer is at the end of the file if the file exists. The file opens in the append mode.
• x open for exclusive creation, failing if the file already exists (Python 3)

All file modes in Python

• r for reading
• w for writing
• r+ opens for reading and writing (cannot truncate a file)
• w+ for writing and reading (can truncate a file)
• rb+ reading or writing a binary file
• wb+ writing a binary file
• a+ opens for appending

All file modes in Python

• r for reading
• w for writing
• r+ opens for reading and writing (cannot truncate a file)
• w+ for writing and reading (can truncate a file)
• rb+ reading or writing a binary file
• wb+ writing a binary file
• a+ opens for appending
• x open for exclusive creation, failing if the file already exists (Python 3)

All file mode in python

r for reading w for writing r+ opens for reading and writing(cannot truncate a file) w+ for writing and reading(can truncate a file) rb+ reading or writing a binary file wb+ writing a binary file a+ opens for appending 

All file modes in Python

• r for reading
• w for writing
• r+ opens for reading and writing (cannot truncate a file)
• w+ for writing and reading (can truncate a file)
• rb+ reading or writing a binary file
• wb+ writing a binary file
• a+ opens for appending