पांडा: बनाएँ मासिक उप-योगों के अवैतनिक चालान

यह करना चाहिए कि क्या आप से पूछना ।

import datetime
import pandas as pd
data = {
    'AMOUNT_INVOICED': [ 1443.62, 3585.78, 68276.25, 19673.84,
        9119.40, 9976.25, 7273.84, 3129.40 ],
    'INVOICED_DATE': [ '2019-08-01', '2019-08-03', '2019-08-05',
        '2019-09-10', '2019-09-11', '2021-09-01', '2021-09-01',
        '2021-10-04' ],
    'CLOSED_DATE': [ '2019-09-04', '2019-09-04', '2019-09-04',
         '2019-11-06', '2019-10-07', '2021-10-04', '2021-11-14',
         '2021-11-23' ]
}

df = pd.DataFrame(data)

dates = []
amounts = []
for year in range(2019,2022):
    for month in range(12):
        magic = '%04d-%02d-01' % (year,month+1)
        s1 = df[df['INVOICED_DATE'] < magic]['AMOUNT_INVOICED'].sum()
        s2 = df[df['CLOSED_DATE'] < magic]['AMOUNT_INVOICED'].sum()
        print("%s %10.2f %10.2f %10.2f" % (magic, s1,s2,s1-s2))
        dates.append( magic[:7] )
        amounts.append( s1-s2 )

newdf = pd.DataFrame(amounts, index=dates, columns=['Total Outstanding AR'])
print(newdf)

आउटपुट:

2019-01-01       0.00       0.00       0.00
2019-02-01       0.00       0.00       0.00
2019-03-01       0.00       0.00       0.00
2019-04-01       0.00       0.00       0.00
2019-05-01       0.00       0.00       0.00
2019-06-01       0.00       0.00       0.00
2019-07-01       0.00       0.00       0.00
2019-08-01       0.00       0.00       0.00
2019-09-01   73305.65       0.00   73305.65
2019-10-01  102098.89   73305.65   28793.24
2019-11-01  102098.89   82425.05   19673.84
2019-12-01  102098.89  102098.89       0.00
2020-01-01  102098.89  102098.89       0.00
2020-02-01  102098.89  102098.89       0.00
2020-03-01  102098.89  102098.89       0.00
2020-04-01  102098.89  102098.89       0.00
2020-05-01  102098.89  102098.89       0.00
2020-06-01  102098.89  102098.89       0.00
2020-07-01  102098.89  102098.89       0.00
2020-08-01  102098.89  102098.89       0.00
2020-09-01  102098.89  102098.89       0.00
2020-10-01  102098.89  102098.89       0.00
2020-11-01  102098.89  102098.89       0.00
2020-12-01  102098.89  102098.89       0.00
2021-01-01  102098.89  102098.89       0.00
2021-02-01  102098.89  102098.89       0.00
2021-03-01  102098.89  102098.89       0.00
2021-04-01  102098.89  102098.89       0.00
2021-05-01  102098.89  102098.89       0.00
2021-06-01  102098.89  102098.89       0.00
2021-07-01  102098.89  102098.89       0.00
2021-08-01  102098.89  102098.89       0.00
2021-09-01  102098.89  102098.89       0.00
2021-10-01  119348.98  102098.89   17250.09
2021-11-01  122478.38  112075.14   10403.24
2021-12-01  122478.38  122478.38       0.00
         Total Outstanding AR
2019-01                  0.00
2019-02                  0.00
2019-03                  0.00
2019-04                  0.00
2019-05                  0.00
2019-06                  0.00
2019-07                  0.00
2019-08                  0.00
2019-09              73305.65
2019-10              28793.24
2019-11              19673.84
2019-12                  0.00
2020-01                  0.00
2020-02                  0.00
2020-03                  0.00
2020-04                  0.00
2020-05                  0.00
2020-06                  0.00
2020-07                  0.00
2020-08                  0.00
2020-09                  0.00
2020-10                  0.00
2020-11                  0.00
2020-12                  0.00
2021-01                  0.00
2021-02                  0.00
2021-03                  0.00
2021-04                  0.00
2021-05                  0.00
2021-06                  0.00
2021-07                  0.00
2021-08                  0.00
2021-09                  0.00
2021-10              17250.09
2021-11              10403.24
2021-12                  0.00