Matplotlib库进行绘图：折线图、函数图、散点图、饼图、柱状图等

一、画出正弦曲线与余弦曲线，并进行相关绘图设置。python 效果以下图所示：编程 import matplotlib.pyplot as plt import numpy as np x = np.linspace(0,6,50) y1 = [np.sin(i) for i in x] y2 = [np.cos(i) for i in x] plt.figure(num='Sin and Cos

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