1.cmd→python
2.import os #导入os文件
3.os.chdir("C:\\Administrator\\PycharmProjects\\hello\\Ch02") #
4.os.getcwd() #显示当前目录
5.os.chdir("C:\\Administrator\\PycharmProjects\\hello\\Ch02") #改变当前目录
6.os.getcwd()
7.import kNN
8.reload(kNN)
1.cmd→python
2.import os #导入os文件
3.os.chdir("C:\\Administrator\\PycharmProjects\\hello\\Ch02") #
4.os.getcwd() #显示当前目录
5.os.chdir("C:\\Administrator\\PycharmProjects\\hello\\Ch02") #改变当前目录
6.os.getcwd()
7.import kNN
8.reload(kNN)