python画图工具指南

    from matplotlib import pyplot
    import matplotlib.pyplot as plt
    from math import sqrt
    import pandas as pd
    from matplotlib.pyplot import MultipleLocator
    
    plt.figure(figsize=(10,5))
    x = []
    actual = [1, 2, 3, 4, 5, 6, 7, 8]
    for i in range(1,len(actual)+1):
    x.append(i)
    print(x)
    plt.plot(x,[1,2,3,4,5,6,7,8],'b',marker='o',ms=10,label="lable1")
    plt.plot(x,[4,2,4,5,7,8,1,5],'r', marker='v',ms=12,label="lable2")
    
    x_major_locator=Multi