目录 package Process 解决中文乱码问题 simple_plot() scatter_plot() three_dimension_scatter() Jupyter notebook package import numpy as np import matplotlib import matplotlib.pyplot as plt import matplotlib.font_manager as fm from mpl_toolkits.mplot3d import Axe
弱类型?强类型?动态语言,静态语言 弱类型: 在程序运行过程中,类型可变 还有一种说法: 动态 variables must necessarily be defined before they are used. But the good thing is that these variables need not be declared, and they need not be bound to a particular type. Python is a very good exampl