[Python] Transition variable from function to HTML

I would like to pass the elements of the file_values array from a function to an HTML file. To display these elements on a web server page. Code with a function to get the file_values array:

from utils import json_to_dict_list
from utils import dict_list_to_json

def get_file_values(USER_ID):
json_claster = json_to_dict_list('Data/claster-save.json')
def find_all_by_key(iterable, key, value):
for index, dict_ in enumerate(iterable):
if key in dict_ and dict_[key] == value:
return (dict_)
dicti = find_all_by_key(json_claster, 'ID', USER_ID)
file_values = []
values = list(dicti.values())
values.remove(values[0])
for i in values:
if '.csv' in i:
file_values.append(i)
return file_values


file_values = get_file_values(0)


HTML file to which you need to pass the names of elements from the array:

<!DOCTYPE html>
<html lang="en">
<head>
<meta name="viewport" content="width=device-width1, initial-scale=1">
<meta charset="UTF-8">
<title>Libary</title>
</head>
<body>

<h1>
Libary
</h1>
<button class="botton_form"
onclick="window.location.href = 'files';">
Back
</button>
<form method="post">
</form>



</body>
</html>

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