python代码大全和用法,计算正多边形面积的python代码

1,计算正多边形面积的python代码这些函数封装在math库里面 , 使用的话,先引入这个库import mathmath.tan()cmd 运行 pip install opencv-python【python代码大全和用法,计算正多边形面积的python代码】
2,Python代码求解def sum(num):ifnum==1:return 1ifnum==2:return 2else:return sum(num-1)+sum(num-2)sum_result =sum(num)print(sum_result)
3 , 求一个简单的Python给数字排序代码123456789101112131415 defABC(a): fori inrange(0, len(a)-1): forj inrange(i+1, len(a)): if(a[i]>a[j]): t =a[i] a[i] =a[j] a[j] =t #test code as followsx =[5,2,3,7,1,8, 6,4]ABC(x)print(x) #result is:#[1,2,3,4,5,6,7,8] note:代码中的缩进不能省

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