Python declare empty nested dicts [closed] - python

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I would like to declare nested dictionaries and I want both of the dictionaries to be empty. Is that possible?
Because later I want to add inside a dictionary inside of a dictionary

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How do I add characters to strings? [closed]

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Suppose a user wants to add a character or number to an existing string after randomly generating it, how do you add a character to a string?

Question about the while loop, should I use *or* or *and*? [closed]

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Why is it necessary to use and and vice versa in the while loop where or is appropriate in meaning?
'and' is working only when every condition is satisfied
while 'or' is working when even one of conditions is true

get all chat members id pyrogram [closed]

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How can I get all members of chat ids? I tried app.get_chat_members, but i need only user id, and nothing else. Tried this:
countingusers=app.get_chat_members(f"{link}")
app.get_chat_members() only returns 200 members at a time. If you want to iterate over all members, you can use app.iter_chat_members() instead. To get just the user_id's, you could use a list comprehension:
counting_users = [x.user.id for x in app.iter_chat_members(chat_id)]
Then your counting_users variable is a list of user_id's.

Python selecting lists with for loop [closed]

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There are my lists:
i1,i2,i3,i4,i5 = [],[],[],[],[]
and I need the string "test" to be appended to each list. How can I do that?
I thought about using a loop but couldn't manage to do that.
Are there any other ways to append to all the five lists?
easy busy
i1,i2,i3,i4,i5 = 5*[['test']]

Django: Can we use callback methods with F object? [closed]

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Example:
def modify_field(param):
#...
Model.objects.update(some_field=modify_field(F('some_field'))
Apparently, you can have a callback method but only if you never modify the field using the F object and you meet the standards of whatever the F supports.

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