OTAKU_nicole

摘要： from pandas import DataFrame from pandas_datareader import data as web all_data = {} for ticker in ['AAPL','IBM','MSFT','GOOG']: all_data[ticker] = we 阅读全文

摘要： import pandas.io.data as web报错ModuleNotFoundError: No module named 'pandas.io.data'安装pandas_datareader后改为 from pandas_datareader import data as web 阅读全文

摘要： import openpyxl list_wb = openpyxl.load_workbook('list.xlsx') #打开现有工作表 sheet = list_wb.active print(sheet.max_row) # 获取最大行 print(sheet.max_column) # 获 阅读全文

摘要： import xlrd from xlutils.copy import copy # 打开Excel wb = xlrd.open_workbook('list.xls') # 打开Excel的sheet,有多种方式，此处选择第一个sheet sheet = wb.sheet_by_index(0 阅读全文

摘要： from PIL import Image left = 763 top = 863 right = 1258 bottom = 962 im = Image.open("img.jpg") im = im.crop((left, top, right, bottom)) im.save("img_ 阅读全文

摘要： Python3.5中：iteritems变为items 阅读全文

摘要： import requests pic_url = "https://www.baidu.com/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png" r = requests.get(pic_url) with open("1.png", "wb")as f 阅读全文

摘要： from pandas import DataFrame, Series import numpy as np df = DataFrame([[1.4,np.nan],[7.1,-4.5], [np.nan,np.nan],[0.75,-1.3]], index=['a','b','c','d'] 阅读全文

摘要： 重新索引 from pandas import Series,DataFrame # Series重新索引 obj = Series([4.5,7.2,-5.3,3.6],index=['d','b','a','c']) print(obj) ''' d 4.5 b 7.2 a -5.3 c 3.6 阅读全文

摘要： import optparse def testparam(paramA,paramB,paramC='C'): print('paramA:', paramA) print('paramB:', paramB) print('paramC:', paramC) def main(): parser 阅读全文