Python Math: Calculate arc length of an angle
Python Math: Exercise-7 with Solution
Write a Python program to calculate arc length of an angle.
Note: In a planar geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in a plane, but this plane does not have to be a Euclidean plane.
def arclength(): pi=22/7 diameter = float(input('Diameter of circle: ')) angle = float(input('angle measure: ')) if angle >= 360: print("Angle is not possible") return arc_length = (pi*diameter) * (angle/360) print("Arc Length is: ", arc_length) arclength()
Diameter of circle: 9 angle measure: 45 Arc Length is: 3.5357142857142856
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Python: Tips of the Day
getrefcount will show how many times an object is used in the memory. It's a fantastic tool that can be used for memory management in any program and it's very convenient too.
Getrefcount will calculate the object usage at a low level ByteCode so it can tend to be higher than expected. For instance when you print a value that value is actually processed multiple times in the background inside the print function itself and getrefcount also counts the instance when the value is called with getrefcount method itself. So, it's safe to say that the count will actually always be at least 1 time higher than expected.
Here is a code to show how many times alphanumeric characters are referenced in a random code:
import sys x_val = 20 x_val += 1 y_val = "Heritage" x = sys.getrefcount(x_val) y = sys.getrefcount(y_val) print(x, y, sep="\n")
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