How to draw Radian and Circle in python in Real time

This article shows you how to draw radians and circles in real time in python. The content is concise and easy to understand, which can definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

Import turtle

Import math

Bob = turtle.Turtle ()

# create a turtle object named bob

Print (bob)

# draw this object

Def arc (trecom r.angle):

Arc_length = 2 * math.pi * r * angle / 360

# find the arc length

N = 50

# the number of times to draw a straight line

The higher the number of # n, the better, but the running time will increase.

Step_length = arc_length/n

# the length of each line drawn

Step_angle = angle/n

# the angle changed each time the line is drawn

For i in range (n):

T.fd (step_length)

# draw a straight line forward

T.lt (step_angle)

# turn the angle

Turtle.mainloop ()

# preserve graphics

Arc (bob,80150)

# call function to realize real-time rendering

# bob is the name, 80 is the size, 150 is the Radian, 360 is the circle

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