from random import choice
import matplotlib.pyplot as plt
x_start = [0]
y_start = [0]
#生成坐标矩阵
while len(x_start)<10000:
x_direction=choice([-1,1])
x_distance=choice([0,1,2,3,4])
x_step=x_direction*x_distance
y_direction=choice([-1,1])
y_distance=choice([0,1,2,3,4])
y_step=y_direction*y_distance
next_x=x_start[-1]+x_step
next_y=y_start[-1]+y_step
x_start.append(next_x)
y_start.append(next_y)
#设置窗口大小,像素
plt.figure(dpi=128,figsize=(5,3))
#绘制
plt.scatter(x_start,y_start,c=list(range(10000)),cmap=plt.cm.Blues,edgecolors='none',s=15)
#突出起始与结束
plt.scatter(0,0,c='red',edgecolors='none',s=80)
plt.scatter(x_start[-1],y_start[-1],c='orange',edgecolors='none',s=80)#edgecolors='none'去除点的黑色轮廓,只显示蓝色的点
#隐藏坐标轴
plt.axes().get_xaxis().set_visible(False)
plt.axes().get_yaxis().set_visible(False)
plt.title('random—choice')
plt.savefig('C://Users/Administrator/Desktop/text3.png')
plt.show()
结果展示