How do you use the math library in Python?

To call the math library, you need to first import it. In Python, you can use the import keyword to import libraries. The specific steps are as follows:

1. bring in the math module

import math

1. Mathematics.
2. the square root function in mathematics

import math

# 计算平方根
x = math.sqrt(25)
print(x)

The above code will output 5.0, indicating that the square root of 25 has been calculated.

In addition to the sqrt() function, the math library also offers many other mathematical functions such as sin(), cos(), tan(), log(), etc. Depending on your needs, you can use the corresponding functions for mathematical calculations.