mirror of https://github.com/python/cpython
merge with 3.4
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commit
2756e7e281
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@ -49,7 +49,7 @@ Why are floating-point calculations so inaccurate?
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Users are often surprised by results like this::
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>>> 1.2 - 1.0
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0.199999999999999996
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0.19999999999999996
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and think it is a bug in Python. It's not. This has little to do with Python,
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and much more to do with how the underlying platform handles floating-point
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@ -415,14 +415,25 @@ while they enter their program's source in another window. If they can't
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remember the methods for a list, they can do something like this::
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>>> L = []
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>>> dir(L)
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['append', 'count', 'extend', 'index', 'insert', 'pop', 'remove',
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>>> dir(L) # doctest: +NORMALIZE_WHITESPACE
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['__add__', '__class__', '__contains__', '__delattr__', '__delitem__',
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'__dir__', '__doc__', '__eq__', '__format__', '__ge__',
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'__getattribute__', '__getitem__', '__gt__', '__hash__', '__iadd__',
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'__imul__', '__init__', '__iter__', '__le__', '__len__', '__lt__',
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'__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__',
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'__repr__', '__reversed__', '__rmul__', '__setattr__', '__setitem__',
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'__sizeof__', '__str__', '__subclasshook__', 'append', 'clear',
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'copy', 'count', 'extend', 'index', 'insert', 'pop', 'remove',
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'reverse', 'sort']
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>>> [d for d in dir(L) if '__' not in d]
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['append', 'clear', 'copy', 'count', 'extend', 'index', 'insert', 'pop', 'remove', 'reverse', 'sort']
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>>> help(L.append)
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Help on built-in function append:
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<BLANKLINE>
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append(...)
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L.append(object) -- append object to end
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L.append(object) -> None -- append object to end
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<BLANKLINE>
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>>> L.append(1)
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>>> L
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[1]
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@ -78,7 +78,7 @@ by entering a few expressions of your choice and seeing the results::
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>>> print("Hello")
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Hello
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>>> "Hello" * 3
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HelloHelloHello
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'HelloHelloHello'
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Many people use the interactive mode as a convenient yet highly programmable
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calculator. When you want to end your interactive Python session, hold the Ctrl
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