Why am I getting the 'TypeError: list indices must be integers or slices, not str' error when accessing list elements?

TypeError: list indices must be integers or slices, not str

This error occurs when attempting to access a list element using a string as the index. In your code, you're trying to access elements in result_array using i, which is a string representing the length of array_dates.

Solution:

To resolve this issue, you need to:

1. Convert array_length to an integer:

   array_length = len(array_dates)

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2. Use the range() function to iterate over the integers up to array_length. Remove the manual increment of i.

   for i in range(array_length):
       # Your code here

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3. Alternatively, you could zip the array_dates and array_urls lists since they have the same length:

   result_array = zip(array_dates, array_urls)

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Then, write the result_array rows to your CSV file using the writerows method.

Example using the zip() method:

import csv

def fill_csv(array_urls, array_dates, csv_file_path):
    csv_file_patch = '/path/to/filename.csv'

    with open(csv_file_patch, 'w') as fout:
        csv_file = csv.writer(fout, delimiter=';', lineterminator='\n')
        result_array = zip(array_dates, array_urls)
        csv_file.writerows(result_array)

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