Psycopg2 | collapse row to string

[Demel, Jeff]

I'm pulling some records from a database using psycopg2, then looping
through the rows to do some data checking and then writing the results
to a file if they pass some integrity checks.

Simple enough, but...

Is there an easy want to create a delimited string from this, for
example:

for row in rows:
    if checksomething == 100:
        newline = row[].combine("delimiter of some kind")
        resultfile.write(newline)

Obviously, the "row[].combine(delimeter)" is what I'm hoping exists.

TIA

-Jeff

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