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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def install_extensions(extensions, **connection_parameters):
 """Install Postgres extension if available. Notes ----- - superuser is generally required for installing extensions. - Currently does not support specific schema. """


    from postpy.connections import connect

    conn = connect(**connection_parameters)
    conn.autocommit = True

    for extension in extensions:
        install_extension(conn, extension)