:   '''[option] get''' ''window name class''

Reads a value from the [option database]. The three arguments describe how to look up the value in the database; the ''window'' references a Tk widget, and the ''name'' and ''class'' describe the option of that widget on two axes. Conventionally, the ''name'' should start with a lower case letter, and the ''class'' should start with an upper case letter; both must not contain a “`.`” character (as that is used as a separator in the option database).

**Example**
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button .b
set foo [option get .b foo Foo]
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