Insert array list into database psql using Python

See more:

Python

database

pSQL

hello i have a question about database:
i have a table contain id , name , username.and an rray list like this one
data=[(1,'jhon','jj'),(2,'bob','bb'),(3,'fd','fd')]
i want to insert this array into the database at once (only one query).
any help ?

What I have tried:

i used for loop but it take times!