diff options
Diffstat (limited to 'Doc/tutorial/classes.rst')
| -rw-r--r-- | Doc/tutorial/classes.rst | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/Doc/tutorial/classes.rst b/Doc/tutorial/classes.rst index cff2710..08072a3 100644 --- a/Doc/tutorial/classes.rst +++ b/Doc/tutorial/classes.rst @@ -168,7 +168,6 @@ binding:: def do_global(): global spam spam = "global spam" - spam = "test spam" do_local() print("After local assignment:", spam) @@ -184,7 +183,6 @@ The output of the example code is: .. code-block:: none - After local assignment: test spam After nonlocal assignment: nonlocal spam After global assignment: nonlocal spam @@ -654,7 +652,7 @@ will do nicely:: A piece of Python code that expects a particular abstract data type can often be passed a class that emulates the methods of that data type instead. For instance, if you have a function that formats some data from a file object, you -can define a class with methods :meth:`read` and :meth:`readline` that get the +can define a class with methods :meth:`read` and :meth:`!readline` that get the data from a string buffer instead, and pass it as an argument. .. (Unfortunately, this technique has its limitations: a class can't define @@ -698,9 +696,9 @@ example, the following code will print B, C, D in that order:: class D(C): pass - for c in [B, C, D]: + for cls in [B, C, D]: try: - raise c() + raise cls() except D: print("D") except C: @@ -740,8 +738,8 @@ pervades and unifies Python. Behind the scenes, the :keyword:`for` statement calls :func:`iter` on the container object. The function returns an iterator object that defines the method :meth:`~iterator.__next__` which accesses elements in the container one at a time. When there are no more elements, -:meth:`__next__` raises a :exc:`StopIteration` exception which tells the -:keyword:`for` loop to terminate. You can call the :meth:`__next__` method +:meth:`~iterator.__next__` raises a :exc:`StopIteration` exception which tells the +:keyword:`for` loop to terminate. You can call the :meth:`~iterator.__next__` method using the :func:`next` built-in function; this example shows how it all works:: >>> s = 'abc' |