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Yes. Because a variable of the more local scope is what is used instead of any other variables with that name, the data types of the other variables that use that name are irrelevant.

It is, however bad practice to do this because it is confusing and often leads to unintentional function behaviour (particularly in weakly typed languages). If the variable in question is meant to be used in different functions and with a different purpose, there is probably no need to give it the same name as another.

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