摘要：1 import os 2 if __name__=='__main__': 3 4 print( 'presses (%s) start....'%(os.getpid())) 5 6 pid=os.fork() 7 if pid<0: 8 print('fork in error') 9 eli 阅读全文

摘要：打开文件 1 F=open(r'c:\text\f.txt','r') 文件读取 1 try: 2 F=open(r'c:\text\f.txt', 'r') 3 print(F.read()) 4 finally: 5 if F: 6 F.close() 7 ___________________ 阅读全文

摘要：步骤一:导入库 1 import numpy as np 2 import pandas as pd View Code 步骤二:导入数据集 34 _______________________________ 5 dataset=ps.read_csv('Data.cab') 6 X=datase 阅读全文