如何使用python从mongodb加入集合

Question

我有3组“演示”群集：
要联接这3个表中的所有列
作为
数据

{
"email":"jhelliar0@techcrunch.com",
"first_name":"Silvanus",
"last_name":"Spikins",
"mobile":"5279757399",
"car_model":"2500",
"car_color":"Orange",
"company_name":"Fanoodle",
"Desiganation":"Recruiter",
"country":"Georgia",
"city":"Marneuli"
}

表格包括：
emp\u登录

{
"_id":"$oid":"5e9435ff61a03e23fc7bdb64"},
"id":"1",
"email":"jhelliar0@techcrunch.com",
"password":"diOIE0qd3j"
}

员工

{
"_id":"$oid":"5e940eda61a03e23fc7bd392"},
"email":"jhelliar0@techcrunch.com",
"first_name":"Silvanus",
"last_name":"Spikins",
"mobile":"5279757399",
"car_model":"2500",
"car_color":"Orange"
}

公司

{
"_id":"$oid":"5e940eb161a03e23fc7bcfa9"},
"email":"jhelliar0@techcrunch.com",
"company_name":"Fanoodle",
"Desiganation":"Recruiter",
"country":"Georgia",
"city":"Marneuli"
}

使用电子邮件和密码从emp_登录群集进行登录，然后按照上面的数据表连接这些群集中的所有相关数据