pip install pymysql

import pymysql
import pandas as pd

conn = pymysql.connect(
    host='localhost',
    user='root',
    password='root1234',
    db='test1',
    port=3306
  )
cur = conn.cursor() # 获取操作游标，也就是开始操作
sql = """
  insert into score (sno,cno,degree)
  values ('999','0-000','99')
"""
cur.execute(sql)
conn.commit()
conn.close()
print('finished')

def query_data():
  conn = pymysql.connect(host='localhost', port=3306, user='root', passwd='1366', db='sys')
  cur = conn.cursor()
  cur.execute("select * from new")
  result = cur.fetchall()
  print(result)
  conn.commit()
  cur.close()
  conn.close()

#插入数据库
def insert_data():
  conn = pymysql.connect(host='localhost', port=3306, user='root', passwd='1366', db='sys')
  cur = conn.cursor()
  cur.execute("insert into new(idnew,name,xuexiao) VALUES (5,'xiezhiming','655')")
  conn.commit()
  cur.close()
  conn.close()