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Re: Just starting to learn Python, and encounter a problem

From MRAB <python@mrabarnett.plus.com>
Newsgroups comp.lang.python
Subject Re: Just starting to learn Python, and encounter a problem
Date 2016-07-23 20:06 +0100
Message-ID <mailman.86.1469300796.22221.python-list@python.org> (permalink)
References <ac35006b-ab2e-44f1-b896-cd57d9689c73@googlegroups.com> <CAP1rxO6F0q2dOd1T_wV0=PNN6Gny1wFDQ3GUw5Js-7pTaEwREQ@mail.gmail.com> <mailman.50.1469198194.22221.python-list@python.org> <e6f7d426-bbb8-47d8-9326-2d34d4ed4737@googlegroups.com> <9d0a21d9-dddd-c473-f468-9473612591ca@mrabarnett.plus.com>

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On 2016-07-23 19:18, gst wrote:
> Heuh case 2 :
>
> "String1" or "String2"
>
> Evaluates to "String1" ?
>
Suppose you have:

     x or y

If bool(x) returns True, then the result will be x, else the result will 
be y.

Example 1:

bool("String1") returns True, therefore the result of:

     "String1" or "String2"

is "String1".

Example 2:

bool("") returns False, so the result of:

     "" or "String2"

is "String2".

(The empty string "" is considered 'false-y'; all other strings (i.e. 
all non-empty strings) are considered 'true-y'.)

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Thread

Just starting to learn Python, and encounter a problem Zagyen Leo <zagyen@gmail.com> - 2016-07-22 06:59 -0700
  Re: Just starting to learn Python, and encounter a problem Random832 <random832@fastmail.com> - 2016-07-22 10:30 -0400
    Re: Just starting to learn Python, and encounter a problem Zagyen Leo <zagyen@gmail.com> - 2016-07-22 23:13 -0700
  Re: Just starting to learn Python, and encounter a problem Bob Gailer <bgailer@gmail.com> - 2016-07-22 10:36 -0400
    Re: Just starting to learn Python, and encounter a problem gst <g.starck@gmail.com> - 2016-07-23 11:18 -0700
      Re: Just starting to learn Python, and encounter a problem MRAB <python@mrabarnett.plus.com> - 2016-07-23 20:06 +0100
      Re: Just starting to learn Python, and encounter a problem Steven D'Aprano <steve@pearwood.info> - 2016-07-24 11:58 +1000
  Re: Just starting to learn Python, and encounter a problem Gordon Levi <gordon@address.invalid> - 2016-07-23 00:37 +1000
    Re: Just starting to learn Python, and encounter a problem justin walters <walters.justin01@gmail.com> - 2016-07-22 08:04 -0700
  Re: Just starting to learn Python, and encounter a problem MRAB <python@mrabarnett.plus.com> - 2016-07-22 16:08 +0100

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