Python not all space are the same

 Lets look at the below 2 strings

'7 октября 2021'

'7 октября 2021'

They look exactly same but are not. Lets try this in Python 

str = '7 октября 2021'

str_1 = '7 октября 2021'

print(str == str_1) -->  you will get false here

so what is the difference, the space is different lets try this 

str = '7 октября 2021'
for s in str:
    print("char is {0} and order is {1}".format(s,ord(s)))
str_1 = '7 октября 2021'

for s in str_1:
    print("char is {0} and order is {1}".format(s,ord(s)))

the space in str is 

char is   and order is 160

while the space in str_1 is

char is   and order is 32

So if you try str.replace(' ',"/") it does not work. You need to try differently like this

str.replace(chr(160),'/')

Python strptime Russian month discrepency between Linux and Windows

There is more than a way to write the month in any given language for example in Russian the month September can be written in more than one way

But on Python's implementation of strptime there is a difference in how the windows  or Linux OS perceives the month. 

Just run this Python code in Windows and Linux and see the difference for yourself

import locale

import datetime

locale.setlocale(locale.LC_ALL, "ru_RU")

datetime.datetime.strptime('2021-сентября-18', '%Y-%B-%d')

datetime.datetime.strptime('2021-сентябрь-18', '%Y-%B-%d')

In Windows "сентябрь" works whereas in Linux "сентября" works. This is same for all the months since most of them end in either "рь"  or "ря"