摘要：import pandas as pd import numpy as np from sklearn import linear_model import matplotlib.pyplot as plt import time vacc = pd.read_excel(r'C:\Users\.. 阅读全文

摘要：一、官方文档 import numpy as np import matplotlib.pyplot as plt from matplotlib.collections import LineCollection from matplotlib.colors import ListedColorm 阅读全文

摘要：问题： 现有字符串列表['a','b','c','d']，如何创建变量名为a,b,c,d的变量？ 解决方式： 1、globals() mylist = ['a','b','c','d'] for i in mylist: globals()[i] = mylist.index(i) python 使 阅读全文

摘要：import pandas as pd import os os.chdir("C:/Users/.../Desktop/googleTrends/美国/") file_chdir = os.getcwd() filecsv_list = [] for root,dirs,files in os.w 阅读全文