Answer:
It create a new file in which writing of data begins.
Explanation:
A file can be open in the three mode:
-r (Read mode): open an existing file for the purpose of reading data from it.
-w (write mode): Create a new file for the purpose of writing data to it.
-a (append mode): open an existing file for the purpose of appending extra data to it but if the file does not exist, it create a new file and start writing data to it.