Python Eval programming tutorial

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Published on May 23, 2015 10:17:31 PM ● Video Link: https://www.youtube.com/watch?v=1NJpqi5pqoU

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Tutorial

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The expression argument is parsed and evaluated as a Python expression (technically speaking, a condition list) using the globals and locals dictionaries as global and local namespace. If the globals dictionary is present and lacks ‘__builtins__’, the current globals are copied into globals before expression is parsed. This means that expression normally has full access to the standard builtins module and restricted environments are propagated. If the locals dictionary is omitted it defaults to the globals dictionary. If both dictionaries are omitted, the expression is executed in the environment where eval() is called. The return value is the result of the evaluated expression. Syntax errors are reported as exceptions.

Source: https://docs.python.org/3.4/library/functions.html#eval


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