On Sat, Feb 4, 2017 at 4:40 PM, David <bouncingc...@gmail.com> wrote:
> On 5 February 2017 at 09:02, boB Stepp <robertvst...@gmail.com> wrote:
>> py3: a
>> ['Mary', 'had', 'a', 'little', 'lamb', 'break']
>> py3: for w in a:
>> ... print(w)
>> ... print('Huh?')
>> File "<stdin>", line 3
>> print('Huh?')
>> ^
>> SyntaxError: invalid syntax
>>
>> I don't understand why this throws a SyntaxError. If I wrap
>> essentially the same code into a function it works:
>
> From [1]: "When a compound statement is entered interactively, it must
> be followed by a blank line to indicate completion (since the parser
> cannot guess when you have typed the last line). Note that each line
> within a basic block must be indented by the same amount."
>
> Does that help?
Not really. I do not understand why I can define a function in the
interactive interpreter and nest (apparently) any number of for loops,
if-elif-else constructs, etc., and as long as I get the indentation of
each block correct, it will accept it. But apparently if I start off
with something which is by definition multiline like typing in a for
loop, I cannot continue the multiline statements with something
outside the for loop even if the indentation indicates that the
following statement is not part of the for loop above. I can accept
this, but I do not understand why this can't be parsed correctly by
the interpreter solely based on the indentation and lack of
indentation being used.
C'est la vie Python!
--
boB
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