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2025-09-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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This article shows you how to calculate the area of a circle in Python. The content is concise and easy to understand. It will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.
The formula for the area of a circle is:
R is the radius of the circle in the formula.
In this section, we learned about the function of python, which encapsulates the formula for finding the area of a circle, and then calls this function elsewhere in the program.
Function introduction:
Function definition using def, must have a function name and function body.
In the program below, the name of the function is findArea, and the body of the function is PI=3.142 and return PI*.
The function will not be executed if it is not called. It will be called in the format of function name + parentheses, that is, findArea (5).
Code implementation
# =
# function: calculate the area of a circle
# author: brother python
# time: 2020-2-21
# Version:1.0
# =
Def findArea (r):
PI=3.142
Return PI * (rsqur)
Print ("area of circle is .6f" findArea (5))
Code running result: the area of the circle is 78.550000
The above is how to calculate the area of a circle in Python. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.
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