import pymysql
import pandas as pd
def con_sql(db,sql):
# 建立連線
    db = pymysql.connect(host='127.0.0.1', port=3308, user='name', passwd='password', db=db, charset='utf8')
# 建立遊標
    cursor = db.cursor()
    cursor.execute(sql)
    result = cursor.fetchall()
#執行結果轉化為dataframe
    df = pd.DataFrame(list(result))
# 關閉連線
 

    db.close()
#返回dataframe
    return df

db = 'database'
sql = 'select * from table'
result = con_sql(db,sql)
print(result.loc[2,2])#列印（3,3）位置的值）

其中，遍歷dataframe元素

import pandas as pd

dict=[[1,2,3,4,5,6],[2,3,4,5,6,7],[3,4,5,6,7,8],[4,5,6,7,8,9],[5,6,7,8,9,10]]
data=pd.DataFrame(dict)
print(data)
for
 
 indexs in data.index:
    print(data.loc[indexs].values[0:-1])

參考
遍歷dataframe