try to finished ch11

practice_projects/2048.py

@@ -0,0 +1,14 @@
+#!python3
+# 2048.py - auto play https://gabrielecirulli.github.io/2048/
+
+from selenium import webdriver
+from selenium.webdriver.common.keys import Keys
+
+browser = webdriver.Chrome()
+browser.get("https://gabrielecirulli.github.io/2048/")
+htmlElem = browser.find_element_by_tag_name('html')
+while True:
+    htmlElem.send_keys(Keys.UP)
+    htmlElem.send_keys(Keys.RIGHT)
+    htmlElem.send_keys(Keys.DOWN)
+    htmlElem.send_keys(Keys.LEFT)

practice_projects/cmd_email.py

@@ -0,0 +1,22 @@
+#!python3
+# cmd_email.py - send email by command
+
+from selenium import webdriver
+from time import sleep
+
+browser = webdriver.Chrome()
+browser.get('https://ui.ptlogin2.qq.com/cgi-bin/login?style=9&appid=522005705&daid=4&s_url=https%3A%2F%2Fw.mail.qq.com%2Fcgi-bin%2Flogin%3Fvt%3Dpassport%26vm%3Dwsk%26delegate_url%3D%26f%3Dxhtml%26target%3D&hln_css=http%3A%2F%2Fmail.qq.com%2Fzh_CN%2Fhtmledition%2Fimages%2Flogo%2Fqqmail%2Fqqmail_logo_default_200h.png&low_login=1&hln_autologin=%E8%AE%B0%E4%BD%8F%E7%99%BB%E5%BD%95%E7%8A%B6%E6%80%81&pt_no_onekey=1')
+sleep(2)
+try:
+    qq = browser.find_element_by_id('u')
+    qq.send_keys('375575128')
+    password = browser.find_element_by_id('p')
+    password.send_keys('FzVSIPYk87890310')
+    go = browser.find_element_by_id('go')
+    go.click()
+    sleep(1)
+    password2 = browser.find_element_by_id('pwd')
+    password2.send_keys('Cpz87890310')
+    password2.submit()
+except:
+    print('Was not able to find an element with your qq.')

practice_questions/README.md

@@ -9,4 +9,5 @@
 - [Chapter 7 – Pattern Matching with Regular Expressions](ch07/README.md)
 - [Chapter 8 – Reading and Writing Files](ch08/README.md)
 - [Chapter 9 – Organizing Files](ch09/README.md)
-- [Chapter 10 – Debugging](ch10/README.md)
+- [Chapter 10 – Debugging](ch10/README.md)
+- [Chapter 11 – Web Scraping](ch11/README.md)

practice_questions/ch11/README.md

@@ -0,0 +1,81 @@
+# Chapter 11 – Web Scraping
+
+> Q: 1. Briefly describe the differences between the webbrowser, requests, BeautifulSoup, and selenium modules.
+
+`webbrowser` can launch a web browser to a specific URL by `open()`;
+`requests` can download files and pages from the Web.
+`beautifulSoup` module parses HTML.
+`selenium` launch and control a browser.
+
+> Q: 2. What type of object is returned by requests.get()? How can you access the downloaded content as a string value?
+
+Response object. `getText()`.
+
+> Q: 3. What Requests method checks that the download worked?
+
+`raise_for_status()`
+
+> Q: 4. How can you get the HTTP status code of a Requests response?
+
+`status_code`
+
+> Q: 5. How do you save a Requests response to a file?
+
+```py
+saveFile = open('SaveFile', 'wb')
+for chunk in res.iter_content(100000):
+    saveFile.write(chunk)
+saveFile.close()
+```
+
+> Q: 6. What is the keyboard shortcut for opening a browser’s developer tools?
+
+F12
+
+> Q: 7. How can you view (in the developer tools) the HTML of a specific element on a web page?
+
+Inspect Element
+
+> Q: 8. What is the CSS selector string that would find the element with an id attribute of main?
+
+`#main`
+
+> Q: 9. What is the CSS selector string that would find the elements with a CSS class of highlight?
+
+`.highlight`
+
+> Q: 10. What is the CSS selector string that would find all the `<div>` elements inside another `<div>` element?
+
+`div div`
+
+> Q: 11. What is the CSS selector string that would find the `<button>` element with a value attribute set to favorite?
+
+`button[value='favorite']`
+
+> Q: 12. Say you have a Beautiful Soup Tag object stored in the variable spam for the element `<div>`Hello world!`</div>`. How could you get a string 'Hello world!' from the Tag object?
+
+spam.getText()
+
+> Q: 13. How would you store all the attributes of a Beautiful Soup Tag object in a variable named linkElem?
+
+linkElem.attrs
+
+> Q: 14. Running import selenium doesn’t work. How do you properly import the selenium module?
+
+`from selenium import webdriver`
+
+> Q: 15. What’s the difference between the find_element_* and find_elements_* methods?
+
+one vs a list.
+
+> Q: 16. What methods do Selenium’s WebElement objects have for simulating mouse clicks and keyboard keys?
+
+`click()` and `send_keys()`
+
+> Q: 17. You could call send_keys(Keys.ENTER) on the Submit button’s WebElement object, but what is an easier way to submit a form with Selenium?
+
+`submit()`
+
+> Q: 18. How can you simulate clicking a browser’s Forward, Back, and Refresh buttons with Selenium?
+
+`forward()`, `back()`, `refresh()`