4 Matching Annotations
- Jul 2019
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runestone.academy runestone.academy
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In Python, every object has a unique identification tag. Likewise, there is a built-in function that can be called on any object to return its unique id. The function is appropriately called id and takes a single parameter, the object that you are interested in knowing about. You can see in the example below that a real id is usually a very large integer value (corresponding to an address in memory).
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- Jun 2019
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runestone.academy runestone.academy
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If someone says, “The other shoe fell”, there is probably no shoe and nothing falling.
literalness
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ambiguity
Natural languages are full of ambiguity, which people deal with by using contextual clues and other information. Formal languages are designed to be nearly or completely unambiguous, which means that any statement has exactly one meaning, regardless of context.
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When you read a sentence in English or a statement in a formal language, you have to figure out what the structure of the sentence is (although in a natural language you do this subconsciously). This process is called parsing.
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