# -*- encoding=utf-8 -*-
import pandas as pd
data=['abc','abc','abc','asc','ase','ase','ase']
num=[1,2,2,1,2,1,2...3 3 1.000000
mmm ratio
0 1 0.555556
1 2 1.000000
Process finished with exit code 0
补充知识:python...项目篇-对符合条件的某个字段进行求和,聚合函数annotate(),aggregate()函数
对符合条件的某个字段求和
需求是,计算每日的收入和
1、
new_dayincome = request.POST.get...filter(dayBath=new_dayincome)
print("total_income",total_income[0]['nums'])
输出结果:total_income 132
2、
from...django.db.models import Sum,Count
new_dayincome = request.POST.get("dayincome_time", None)
total_income