How to add a line from the first python file to another file
For example: In the second file it is:
a=[] And the first is:
from ty import a x = (15/5)*3+1 a.append(int(x)) How to make so that the value of x is stored in the list and was visible in the second file?
There should be no problems if the list is simple, but problems can occur with nested lists.
Let ty.py :
items = [] print(items) And the second file:
from ty import items import re x = (15/5)*3+1 items.append(int(x)) print(items) # Считаем файл with open('ty.py', 'r', encoding='utf-8') as f: text = f.read() # Заменим список на другой и сохраним with open('ty.py', 'w', encoding='utf-8') as f: pattern = re.compile(r'(items = \[.*?\])') new_text = pattern.sub('items = {}'.format(items), text) f.write(new_text) 
main.py
from ty import a x = (15/5)*3+1 a.append(int(x)) ty.py
a = [] from main import a print(a) #10 
Source: https://ru.stackoverflow.com/questions/967926/
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def print_a(): print(a)perfectly sees the contents of the listain the second file. About the fact that the value needs to be saved to the file permanently in the file system, I repeat, the question does not say a word - andreymal pmtythere is a variable with a list, for examplea = [1, 2]You want to change the list in a file from another script so that in codetyafter it becomes, for examplea = [1, 2, 10]? - gil9red pm