提示 在代码清单3-2中,第1～3行是CalCircleArea函数的定义,其只有一个参数r,表示要计算面积的圆的半径。第4～6行是CalRectArea函数的定义,其有两个参数a和b(多个形参需要用逗号分隔),表示要计算面积的长方形的两个边长。
Input the radius of the circle : 1.1 The area of the circle with radius 1.1 is: 3.8013271108436504 Explanation:The said code calculates the area of a circle based on the radius entered by the user. The code uses the "math" module's pi constant and the "input" function to get the radiu...
#CaCircleArea.py r = 25 area = 3.1515 * r * r print(area) print("{:.2f}".format(area)) 结果输出 绘制五角星: #DrawStar.py from turtle import * color('red','red') begin_fill() for i in range(5): fd(200) rt(144) end_fill() done() 运行结果: 程序运行计时: #CalRunTime.p...
方法 Count Number Of One Bits 计算一位的个数 Gray Code Sequence 格雷码序列 Highest Set Bit 最高设置位 Index Of Rightmost Set Bit 最右边设置位的索引 Is Even 甚至 Is Power Of Two 是二的幂 Numbers Different Signs 数字不同的迹象 Reverse Bits 反向位 Single Bit Manipulation Operations 单位操作...
cv2.minEnclosingCircle函数的唯一特点是它返回一个包含两个元素的元组,其中第一个元素是元组本身,代表圆心的坐标,第二个元素是该圆的半径。 将所有这些值转换为整数后,绘制圆是一项微不足道的操作。 当我们将前面的代码应用于原始图像时,最终结果如下所示: 就圆形和矩形紧紧围绕对象而言,这是一个很好的结果。 但...
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Here’s the code: Python decorators.py 1import functools 2import time 3 4# ... 5 6def timer(func): 7 """Print the runtime of the decorated function""" 8 @functools.wraps(func) 9 def wrapper_timer(*args, **kwargs): 10 start_time = time.perf_counter() 11 value = func(*...
In this section, you’ll learn about the constants and how to use them in your Python code.PiPi (π) is the ratio of a circle’s circumference (c) to its diameter (d): π = c/d This ratio is always the same for any circle....
What to use instead of PCA. Talk, tsne intro. sklearn.manifold and sklearn.decomposition - PCA, t-SNE, MDS, Isomaps and others. Additional plots for PCA - Factor Loadings, Cumulative Variance Explained, Correlation Circle Plot, Tweet sklearn.random_projection - Johnson-Lindenstrauss lemma, Gau...
Write a Python program to calculate the area of the sector. Note: A circular sector or circle sector, is the portion of a disk enclosed by two radii and an arc, where the smaller area is known as the minor sector and the larger being the major sector. Test Data: Radius of a circle...