Fill python dictionary in loop

Question

I need fill empty dictionary in loop, but my script give me error. How can I do that operation? Thanks

Script:

import numpy as np

name = np.asarray(["John", "Peter", "Jan", "Paul"])
score = np.asarray([1, 2, 3, 4])

apdict = {"Name": "null", "Score": "null"}

for name in name:
    for score in score:
        apdict["Name"][name] = name[name]
        apdict["Score"][score] = score[score]

The error:

Traceback (most recent call last):

  File "<ipython-input-814-25938bb38ac2>", line 8, in <module>
    apdict["Name"][name] = name[name]

TypeError: string indices must be integers

Possible outputs:

#possible output 1:
apdict = {["Name": "John", "Score": "1"], ["Name": "Peter", "Score": "3"]}

#possible output2:
apdict = {["Name": "John", "Score": "1", "3", "4"], ["Name": "Paul", "Score": "1"]}

Answer 1

If you want to create a dict with elements in name as keys and elements in score as values, based on the 2 numpy arrays, you can do it as follows:

apdict = dict(zip(name, score))


print(apdict)

{'John': 1, 'Peter': 2, 'Jan': 3, 'Paul': 4}

Edit

Based on your newly added possible output, I think it would better be " list of dictionary " instead of something looks like set of something (since {...} immediately encloses lists) that looks like lists (since [...] encloses something) but those something enclosed in list looks more like a dictionary rather than legitimate list items. The valid format of " list of dictionary " should look like below:

[{'Name': 'John', 'Score': 1},
 {'Name': 'Peter', 'Score': 2},
 {'Name': 'Jan', 'Score': 3},
 {'Name': 'Paul', 'Score': 4}]

In this case, you can achieve it as follows:

apdict = [{'Name': k, 'Score': v} for k, v in zip(name, score)]


print(apdict)

[{'Name': 'John', 'Score': 1},
 {'Name': 'Peter', 'Score': 2},
 {'Name': 'Jan', 'Score': 3},
 {'Name': 'Paul', 'Score': 4}]

Alternatively, you can also use Pandas (as you tagged pandas in the question), as follows:

import pandas as pd

apdict = pd.DataFrame({'Name': name, 'Score': score}).to_dict('records')


print(apdict)

[{'Name': 'John', 'Score': 1},
 {'Name': 'Peter', 'Score': 2},
 {'Name': 'Jan', 'Score': 3},
 {'Name': 'Paul', 'Score': 4}]

Answer 2

You are trying to access the element with an index of string instead of an integer:

apdict["Name"][name] = name[name]

name needs to be an integer.