from pymongo import MongoClient conn=MongoClient(host="localhost",port=27017) db=conn.mydb my_set=db.test_set my_set.insert_one({"name":"zhangsan","age":18}) users=[{"name":"zhangsan","age":18},{"name":"lisi","age":20}] my_set.insert_many(users) for i in my_set.find(): print(i) #查询name=zhangsan的 for i in my_set.find({"name":"zhangsan"}): print(i) print(my_set.find_one({"name":"zhangsan"})) my_set.update({"name":"zhangsan"},{'$set':{"age":20}})