title: dbcon = sqlite3.connect(sys.argv[1] + '.sqlite') . meaning?
body: <p>I have a python program, I need to know what does the following block of code does.</p>
  
  <p>particularly the dbcon=sqlite3.connect command. What are the parameters in the parenthesis.</p>
  
  <pre><code>    dbcon = sqlite3.connect(sys.argv[1] + '.sqlite')
      dbcurs = dbcon.cursor()
  
      dbcurs.execute('''DROP TABLE IF EXISTS acc''')
      dbcurs.execute('''CREATE TABLE acc (time REAL, x INTEGER, y INTEGER, z INTEGER)''')
      dbcurs.execute('''CREATE INDEX time_hash ON acc (time)''')
  </code></pre>