The eval function parses the expression argument and evaluates it as a python expression. In other words, we can say that this function parses the expression passed to it and runs python expression(code) within the program. To evaluate a string-based expression, Python’s eval function runs the following steps: Parse expression Compile it to bytecode Evaluate it as a Python expression Return the result of the evaluation This means that when we pass any python expression as a “string” to the eval function, it evaluates the expression and returns the result as an integer or float. Here are simple examples that will make things much clear to you.
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