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Diffstat (limited to 'Doc/tutorial/introduction.rst')
| -rw-r--r-- | Doc/tutorial/introduction.rst | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/Doc/tutorial/introduction.rst b/Doc/tutorial/introduction.rst index 4613cf7..8763626 100644 --- a/Doc/tutorial/introduction.rst +++ b/Doc/tutorial/introduction.rst @@ -269,14 +269,6 @@ to obtain individual characters, *slicing* allows you to obtain substring:: >>> word[2:5] # characters from position 2 (included) to 5 (excluded) 'tho' -Note how the start is always included, and the end always excluded. This -makes sure that ``s[:i] + s[i:]`` is always equal to ``s``:: - - >>> word[:2] + word[2:] - 'Python' - >>> word[:4] + word[4:] - 'Python' - Slice indices have useful defaults; an omitted first index defaults to zero, an omitted second index defaults to the size of the string being sliced. :: @@ -287,6 +279,14 @@ omitted second index defaults to the size of the string being sliced. :: >>> word[-2:] # characters from the second-last (included) to the end 'on' +Note how the start is always included, and the end always excluded. This +makes sure that ``s[:i] + s[i:]`` is always equal to ``s``:: + + >>> word[:2] + word[2:] + 'Python' + >>> word[:4] + word[4:] + 'Python' + One way to remember how slices work is to think of the indices as pointing *between* characters, with the left edge of the first character numbered 0. Then the right edge of the last character of a string of *n* characters has |