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[doc] Do not suggest extended slice syntax for reversed order #22457

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Oct 21, 2020
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[doc] Do not suggest extended slice syntax for reversed order #22457

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Do not suggest extended slice syntax for reversed order
andresdelfino Sep 30, 2020
268ecad
Do not suggest extended slice syntax for reversed order
andresdelfino Sep 30, 2020
804f897
Do not suggest extended slice syntax for reversed order
andresdelfino Sep 30, 2020
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7 changes: 1 addition & 6 deletions Doc/faq/programming.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1122,19 +1122,14 @@ trailing newline from a string.
How do I iterate over a sequence in reverse order?
--------------------------------------------------

Use the :func:`reversed` built-in function, which is new in Python 2.4::
Use the :func:`reversed` built-in function::

for x in reversed(sequence):
... # do something with x ...

This won't touch your original sequence, but build a new copy with reversed
order to iterate over.

With Python 2.3, you can use an extended slice syntax::

for x in sequence[::-1]:
... # do something with x ...


How do you remove duplicates from a list?
-----------------------------------------
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1 change: 0 additions & 1 deletion Doc/tools/susp-ignored.csv
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Expand Up @@ -12,7 +12,6 @@ extending/extending,,:myfunction,"PyArg_ParseTuple(args, ""D:myfunction"", &c);"
extending/extending,,:set,"if (PyArg_ParseTuple(args, ""O:set_callback"", &temp)) {"
extending/newtypes,,:call,"if (!PyArg_ParseTuple(args, ""sss:call"", &arg1, &arg2, &arg3)) {"
faq/programming,,:chr,">=4.0) or 1+f(xc,yc,x*x-y*y+xc,2.0*x*y+yc,k-1,f):f(xc,yc,x,y,k,f):chr("
faq/programming,,::,for x in sequence[::-1]:
faq/programming,,:reduce,"print((lambda Ru,Ro,Iu,Io,IM,Sx,Sy:reduce(lambda x,y:x+y,map(lambda y,"
faq/programming,,:reduce,"Sx=Sx,Sy=Sy:reduce(lambda x,y:x+y,map(lambda x,xc=Ru,yc=yc,Ru=Ru,Ro=Ro,"
faq/windows,,:d48eceb,"Python 3.6.4 (v3.6.4:d48eceb, Dec 19 2017, 06:04:45) [MSC v.1900 32 bit (Intel)] on win32"
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