Grouping products for sales

data = Item[Item['Bill No'].duplicated(keep=False)]

# Referenced: https://stackoverflow.com/questions/27298178/concatenate-strings-from-several-rows-using-pandas-groupby
data['Grouped'] = data.groupby('Bill No')['Item Name'].transform(lambda x: ','.join(x))
data2 = data[['Ending GST Bill No', 'Grouped']].drop_duplicates()
data2.head(10)

Similar codes

0 vote192 views2 answers
Business logic code where located in django rest framework
Python
0 vote249 views1 answer
Query first 5 element in django
Python Django
6 votes232 views2 answers
Append to csv python
Python
0 vote226 views1 answer
How to print out even index in python
Python
2 votes228 views2 answers
Get rid of unnamed column pandas
Python
0 vote221 views1 answer
AttributeError: 'tuple' object has no attribute 'reshape'
Python
0 vote234 views1 answer
Php datatables serverside
Python
0 vote256 views1 answer
Django validate_comma_separated_integer_list
Python Django
44 votes246 views6 answers
Python ascii
Python
9 votes213 views2 answers
Python if value in range
Python