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What are the modes a file can be opened using Python?
Files in python can be opened in the following modes.
| Mode | Description |
| 'r' | Read mode. (default) |
| 'w' | Write mode. Creates a new file if it does not exist or truncates the file if it exists. |
| 'x' | Open a file for exclusive creation. If the file already exists, the operation fails. |
| 'a' | Appending at the end of the file without truncating it. Creates a new file if it does not exist. |
| 't' | Open in text mode. (default) |
| 'b' | Open in binary mode. |
| '+' | Open a file for updating (reading and writing) |
These modes can be used in combinations and need to be passed as the second argument when opening a file. If you don't specify a mode, files are opened in readonly text mode.
Example
f = open("test.txt") # Equivalent to rt or race
f = open("test.txt", 'w') # Write in text mode
f = open("test.bmp", 'r+b') # Read/write in binary mode
f = open("test.txt", 'a') # Append mode
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