Updates documentation for generator expressions in classes tutorial: Clarify usage of ambiguous term "brackets" by replacing with "square brackets". Updated subsequent lines to respect line breaks. (#5079)
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Some simple generators can be coded succinctly as expressions using a syntax
-similar to list comprehensions but with parentheses instead of brackets. These
-expressions are designed for situations where the generator is used right away
-by an enclosing function. Generator expressions are more compact but less
+similar to list comprehensions but with parentheses instead of square brackets.
+These expressions are designed for situations where the generator is used right
+away by an enclosing function. Generator expressions are more compact but less
versatile than full generator definitions and tend to be more memory friendly
than equivalent list comprehensions.