[3.12] gh-107017: Change Chapter Strings to Texts in the Introduction…

… chapter. (GH-107104) (#107167)

Co-authored-by: TommyUnreal <45427816+TommyUnreal@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

Doc/tutorial/introduction.rst

@@ -138,16 +138,25 @@ and uses the ``j`` or ``J`` suffix to indicate the imaginary part
 
 .. _tut-strings:
 
-Strings
--------
+Text
+----
 
-Besides numbers, Python can also manipulate strings, which can be expressed
-in several ways. They can be enclosed in single quotes (``'...'``) or
-double quotes (``"..."``) with the same result [#]_. ``\`` can be used
-to escape quotes::
+Python can manipulate text (represented by type :class:`str`, so-called
+"strings") as well as numbers. This includes characters "``!``", words
+"``rabbit``", names "``Paris``", sentences "``Got your back.``", etc.
+"``Yay! :)``". They can be enclosed in single quotes (``'...'``) or double
+quotes (``"..."``) with the same result [#]_.
 
  >>> 'spam eggs' # single quotes
  'spam eggs'
+ >>> "Paris rabbit got your back :)! Yay!" # double quotes
+ 'Paris rabbit got your back :)! Yay!'
+ >>> '1975' # digits and numerals enclosed in quotes are also strings
+ '1975'
+
+To quote a quote, we need to "escape" it, by preceding it with ``\``.
+Alternatively, we can use the other type of quotation marks::
+
  >>> 'doesn\'t' # use \' to escape the single quote...
  "doesn't"
  >>> "doesn't" # ...or use double quotes instead
@@ -159,23 +168,14 @@ to escape quotes::
  >>> '"Isn\'t," they said.'
  '"Isn\'t," they said.'
 
-In the interactive interpreter, the output string is enclosed in quotes and
-special characters are escaped with backslashes. While this might sometimes
-look different from the input (the enclosing quotes could change), the two
-strings are equivalent. The string is enclosed in double quotes if
-the string contains a single quote and no double quotes, otherwise it is
-enclosed in single quotes. The :func:`print` function produces a more
-readable output, by omitting the enclosing quotes and by printing escaped
-and special characters::
+In the Python shell, the string definition and output string can look
+different. The :func:`print` function produces a more readable output, by
+omitting the enclosing quotes and by printing escaped and special characters::
 
- >>> '"Isn\'t," they said.'
- '"Isn\'t," they said.'
- >>> print('"Isn\'t," they said.')
- "Isn't," they said.
  >>> s = 'First line.\nSecond line.' # \n means newline
- >>> s # without print(), \n is included in the output
+ >>> s # without print(), special characters are included in the string
  'First line.\nSecond line.'
- >>> print(s) # with print(), \n produces a new line
+ >>> print(s) # with print(), special characters are interpreted, so \n produces new line
  First line.
  Second line.