Python File writelines() Method
Example
Open the file in append mode "a" and then add the text list to append to the file:
f = open("demofile3.txt", "a")
f.writelines(["See you soon!", "Over and out."])
f.close()
#open and read the file after the appending:
f = open("demofile3.txt", "r")
print(f.read())
Definition and Usage
The writelines() method writes the items of the list to the file.
The position of text insertion depends on the file mode and stream position.
"a": Text will be inserted at the current file stream position, by default at the end of the file.
"w": Clear the file before inserting text at the current file stream position (default is 0).
Syntax
file.writelines(list)
Parameter Value
| Parameter | Description |
|---|---|
| list | The list of text or byte objects to be inserted. |
More Examples
Example
As in the above example, but insert a newline for each list item:
f = open("demofile3.txt", "a")
f.writelines(["\nSee you soon!", "\nOver and out."])
f.close()
#open and read the file after the appending:
f = open("demofile3.txt", "r")
print(f.read())
