# plt.plot(ser) # ""报错 None全不显示 plt.scatter(range(ser.shape[0]), ser) # 必须有x y ""报错 None只不显示单个值

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
plt.rcParams["font.sans-serif"] = ["SimHei"]
plt.rcParams["axes.unicode_minus"] = False

ser = pd.Series([1, None, 3])
# plt.plot(ser)  # ""报错 None全不显示
plt.scatter(range(ser.shape[0]), ser)  # 必须有x y  ""报错 None只不显示单个值
plt.show()