import string
# all the lowercase and uppercase letters
print(string.ascii_letters)
# every printable key on your keyboard
print(string.printable)
# every digit
print(string.digits)
0
0
намерете символ във str python
>>> str = "Messi is the best soccer player"
>>> str.find("soccer")
18
>>> str.find("Ronaldo")
-1
>>> str.find("Messi")
0