Convert unicode character to the nearest (removed tone, accent, ... that feature a specific language) ASCII character. For ex: "Тгцмр" will be converted to "Tgtsmr", not Trump

unicode_to_ascii.py

# Source: https://stackoverflow.com/a/518232/4102479
# This is better approach, compared to unidecode, though unidecode provide acceptable result in almost every cases
import unicodedata
import string

all_letters = string.ascii_letters + " .,;'"
nb_letter = len(all_letters)

print(all_letters, len(all_letters))

def unicodeToAscii(s):
    return ''.join(
        c for c in unicodedata.normalize('NFD', s)
        if unicodedata.category(c) != 'Mn'
        and c in all_letters
    )
  
xx = u"рнаи нцу куин"
print(unicodeToAscii(xx))