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Minor exmpample: Correct explanation

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* `'a'[0][0][0][0][0]` is semanically correctly not because
  strings are iterables but because they are sequences as well.

Related to https://github.com/satwikkansal/wtfpython/issues/30
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Satwik Kansal 2017-09-06 16:08:42 +05:30
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@ -1630,7 +1630,7 @@ a, b = a[b] = {}, 5
* Few weird looking but semantically correct statements:
+ `[] = ()` is a semantically correct statement (unpacking an empty `tuple` into an empty `list`)
+ `'a'[0][0][0][0][0]` is also a semantically correct statement as strings are iterable in Python.
+ `'a'[0][0][0][0][0]` is also a semantically correct statement as strings are [sequences](https://docs.python.org/3/glossary.html#term-sequence)(iterables supporting element access using integer indices) in Python.
+ `3 --0-- 5 == 8` and `--5 == 5` are both semantically correct statements and evaluate to `True`.
* Given that `a` is a number, `++a` and `--a` are both valid Python statements, but don't behave the same way as compared with similar statements in languages like C, C++ or Java.