How to write square root in python

Through previous learning, I believe many beginners have mastered most of the basic knowledge of Python. Today we will talk about how to implement the square root of a number in Python. There are three solutions,

The first method: ###Use the math module, which needs to be called before use, as follows##################The second method:### Use the built-in function pow(), as follows##################The third method:###Use mathematical expressions############ ###

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