take the secant of a number in python

To take the secant of a number in python, you need to use the math module which provides the sec() function. However, the sec() function does not exist in python's math module. Instead, you can define a function that calculates the secant of an angle using the math.cos() function as follows:

main.py
import math

def sec(x):
    return 1/math.cos(x)
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The sec() function takes an angle in radians and returns the secant of that angle. Here's an example usage:

main.py
angle = math.pi/4
secant = sec(angle)
print(secant) # Output: 1.4142135623730951
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