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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 get_astrom(official='%',provisional='%'):
 """Query the measure table for all measurements of a particular object. Default is to return all the astrometry in the measure table, sorted by mjdate"""


    sql= "SELECT m.* FROM measure m "
    sql+="LEFT JOIN object o ON m.provisional LIKE o.provisional "
    if not official:
        sql+="WHERE  o.official IS NULL"
    else:
        sql+="WHERE o.official LIKE '%s' " % ( official, ) 
    sql+=" AND m.provisional LIKE '%s' " % ( provisional, )

    cfeps.execute(sql)
    return mk_dict(cfeps.fetchall(), cfeps.description)