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Docs: Update SyntaxError message in REPL example for list comprehension (GH-93901) (GH-94425) 

(cherry picked from commit 22b783aba0)

Co-authored-by: Cheryl Sabella <cheryl.sabella@gmail.com>
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Miss Islington (bot) 2022-06-29 10:22:11 -07:00 committed by GitHub
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Doc/tutorial/datastructures.rst
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@ -268,10 +268,10 @@ it must be parenthesized. ::
[(0, 0), (1, 1), (2, 4), (3, 9), (4, 16), (5, 25)]
>>> # the tuple must be parenthesized, otherwise an error is raised
>>> [x, x**2 for x in range(6)]
File "<stdin>", line 1, in <module>
File "<stdin>", line 1
[x, x**2 for x in range(6)]
^
SyntaxError: invalid syntax
^^^^^^^
SyntaxError: did you forget parentheses around the comprehension target?
>>> # flatten a list using a listcomp with two 'for'
>>> vec = [[1,2,3], [4,5,6], [7,8,9]]
>>> [num for elem in vec for num in elem]