-11
-10
-7
-8
-9
-6
-5
-2
-3
-4
-1
0
1
4
3
2
5
6
9
8
7
10
Indices can be accessed from backwards as well:
>>> txt[-1]
'd'
>>> txt[-5]
'W'
'Hello'
>>> txt[0:-6]
'Hello'
>>> txt[:5]
'Hello'
>>> txt[6:]
'World'
Particular Elements of a String (characters) can be indexed and accessed with square brackets:
>>> txt = "Hello World"
>>> txt[0]
'H'
>>> txt[4]
'o'
Substrings:
>>> txt = "Hello World"
>>> txt[1:5]
'ello'
>>> txt[0:5]
'Hello'
H
e
o
l
l
W
l
r
o
d
Jedes n-te Zeichen:
>>> txt[::2]
'HloWrd'
>>> txt[::3]
'HlWl'
String umkehren:
>>> txt[::-1]
'dlroW olleH'
>>>