[置顶] 【python 可视化】python利用matplotlib库绘制散点图案例

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import random
N=50
x=np.random.randn(N)
y=np.random.randn(N)
plt.scatter(x,y,s=50,c='b',marker='o',alpha=0.5)
plt.savefig("C:/a3.jpg")
plt.show()