Convert this array of arrays into array of dictionaries

Question

I have this array of arrays in python.

staff = [
            ['staff1', '2/18/1998', 21.63],
            ['staff2', '7/7/1999',  15.87],
            ['staff3', '8/26/2004', 123.46],
        ]

I have this array which specify the columns.

out_columns = ['Name','Date','Profit']

Based on these 2 arrays, I would like to convert them into an array of dictionaries that look like this;

dict_arr = [
                {"Name":"staff1",
                 "Date":"2/18/1998",
                 "Profit":21.63
                 },
                {"Name": "staff2",
                 "Date": "7/7/1999",
                 "Profit": 15.87
                 },
                {"Name": "staff3",
                 "Date": "8/26/2004",
                 "Profit": 123.46
                 },
]

I am using python v3.6

SO is not a free coding site. Please demonstrate effort to solve yourself. — Mad Physicist
– Mad Physicist, Commented Aug 10, 2018 at 4:26

napuzba · Accepted Answer · 2018-08-10 04:45:45Z

4

Use zip function :

nl = []
for zz in staff:
    aa = {}
    for key,val in zip(out_columns,zz):
        aa[key]= val
    nl.append( aa )
print(nl) # [{'Name': 'staff1', 'Date': '2/18/1998', 'Profit': 21.63} , ... ]

answered Aug 10, 2018 at 4:45

napuzba

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1 Comment

user3848207 Over a year ago

Thanks a lot for your help. I was at a loss over how to even start. I will study your answer carefully.

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