import psycopg2
conn = psycopg2.connect(database="xxx", user="sa", password="sa", host="localhost", port="5435")
cur = conn.cursor()
cur.execute("DROP TABLE student;")
cur.execute("CREATE TABLE student(id integer, name varchar, sex varchar);")
cur.execute("INSERT INTO student(id, name, sex) VALUES(%s, %s, %s)", (1, 'Aspirin', 'M'))
cur.execute("INSERT INTO student(id, name, sex) VALUES(%s, %s, %s)", (2, 'Taxol', 'F'))
cur.execute("INSERT INTO student(id, name, sex) VALUES(%s, %s, %s)", (3, 'Dixheral', 'M'))
cur.execute("SELECT * FROM student")
results = cur.fetchall()
print(results)
conn.commit()
cur.close()
conn.close()