# numpy hello world import numpy as np x = np.array([0,1,2,3,4,5,6]) print(x) # pandas hello world import pandas as pd a = pd.Series([1,2,3,4,5]); a # matplotlib hello world import matplotlib.pyplot as plt # 1.创建画布 plt.figure(figsize=(10,10),dpi=100) # 2.绘制拆线图 plt.plot([1,2,3,4,5,6,7],[17,17,18,15,11,11,13]) # 3.显示图像 plt.show()

