吴裕雄实战python编程（2）

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吴裕雄实战PYTHON编程（10）

import cv2 cv2.namedWindow("frame")cap = cv2.VideoCapture(0)while(cap.isOpened()): ret, img = cap.read() if ret == True: cv2.imshow("frame", img) k = cv2.waitKey(100) if k == ord("z") or k == ord("Z"): cv2.imwrite(&…

吴裕雄实战PYTHON编程（9）

import cv2 cv2.namedWindow("ShowImage1")cv2.namedWindow("ShowImage2")image1 = cv2.imread("F:\\pythonBase\pythonex\\ch10\\media\\img01.jpg")#image1 = cv2.imread("media\\img01.jpg", 1)image2 = cv2.imread("F:\\pyt…

吴裕雄实战PYTHON编程（8）

import pandas as pd df = pd.DataFrame( {"林大明":[65,92,78,83,70], "陈聪明":[90,72,76,93,56], "黄美丽":[81,85,91,89,77], "熊小娟":[79,53,47,94,80] } )print(df) import pandas as pd datas = [[65,92,78,83,70], [90,72,76,93,56], [8…

吴裕雄实战PYTHON编程（7）

import os from win32com import client word = client.gencache.EnsureDispatch('Word.Application')word.Visible = 1word.DisplayAlerts = 0doc = word.Documents.Add()range1 = doc.Range(0,0) #文件起始处range1.InsertAfter("这是测试第一行\n这是测试第二行\n")range1.InsertAft…

吴裕雄实战PYTHON编程（6）

import matplotlib.pyplot as plt plt.rcParams['font.sans-serif']=['Simhei']plt.rcParams['axes.unicode_minus']=False listx1 = [1,5,7,9,13,16]listy1 = [15,50,80,40,70,50]plt.bar(listx1, listy1, label="男性")listx2 = [2,6,8,11,14,16]listy2 = [10,40,30…

吴裕雄实战PYTHON编程（5）

text = '中华'print(type(text))#<class 'str'>text1 = text.encode('gbk')print(type(text1))#<class 'bytes'>print(text1)#b'\xd6\xd0\xbb\xaa'text2 = text1.decode('gbk')print(type(text2))#<class 'str'>print(text2)#中华 text4= text.encode('utf-8')p…

吴裕雄实战PYTHON编程（4）

import hashlib md5 = hashlib.md5()md5.update(b'Test String')print(md5.hexdigest()) import hashlib md5 = hashlib.md5(b'Test String').hexdigest()print(md5) import osimport hashlib import requests # url = "http://opendata.epa.gov.tw/ws/Data/REWXQA/?$ord…