Next part of Exercises (20-23) and some upgrades to existing ones

Excercise_9.py

@@ -16,4 +16,3 @@
         print("You need ", counter, " guesses to guess the number!")
         break
 print("Game Over")
-#not finished!

Exercise_19.py

@@ -8,14 +8,14 @@
 # print(r_html)
 soup = BeautifulSoup(r_html, features="html.parser")
 
-# os.chdir('/home/jakub/PycharmProjects/practise_python/Exercise_18')
+# os.chdir('/home/jakub/PycharmProjects/practise_python/Exercise_19')
 # x = open('soup', 'wt')
 # x.write(soup.prettify())
 # x.close()
 
 find = soup.find_all('p')  # find all tags with h3
 
-# os.chdir('/home/jakub/PycharmProjects/practise_python/Exercise_18')
+# os.chdir('/home/jakub/PycharmProjects/practise_python/Exercise_19')
 # x = open('find', 'wt')
 # x.write(str(find))
 # x.close()

Exercise_20.py

@@ -0,0 +1,14 @@
+from functions import list_app, bin_se
+
+new_list = []
+
+counter = int(input("How much arguments do want in the list?\n"))
+
+for i in range(0, counter, 1):
+    element = input("Write list element: ")
+    new_list.append(element)
+
+number = input("Provide number to check it appearance in the list\n")
+
+print("Answer: ", list_app(new_list, number))
+print("Answer: ", bin_se(new_list, number))

Exercise_21.py

@@ -0,0 +1,23 @@
+import requests
+from bs4 import BeautifulSoup
+import os
+
+url = 'http://www.vanityfair.com/society/2014/06/monica-lewinsky-humiliation-culture'
+r = requests.get(url)
+r_html = r.text
+soup = BeautifulSoup(r_html, features="html.parser")
+
+find = soup.find_all('p')  # find all tags with h3
+
+name = input("Please name the file: \n")
+os.chdir('/home/jakub/PycharmProjects/practise_python/Exercise_21')
+
+with open(name, 'wt') as f:
+    n = len(find)  # get len for iteration
+    for x in range(6, n-5):  # 6 and -5 to cut some stuff
+        f.write(str.strip(find[x].text))  # strip everything non-text
+
+# with open() as f: is an alternative attempt to writing a file
+# alternate way is to do: open_file = open ()
+# open_file.write()
+# open_file.close()

Exercise_22/Exercise_22.py

@@ -0,0 +1,47 @@
+import os.path
+
+import requests
+
+# Download a names list file - only first time
+if not os.path.isfile('/names.txt'):
+    url = 'https://www.practicepython.org/assets/nameslist.txt'
+    r = requests.get(url, allow_redirects=True)
+    open('names.txt', 'wb').write(r.content)
+
+# Download an images list file - only first time
+if not os.path.isfile('/images.txt'):
+    url = 'https://www.practicepython.org/assets/Training_01.txt'
+    r = requests.get(url, allow_redirects=True)
+    open('images.txt', 'wb').write(r.content)
+
+# Counting the names
+dict_count = {}
+with open('names.txt', 'r') as open_file:
+    line = open_file.readline()
+    while line:
+        line = line.strip()
+        if line in dict_count:
+            dict_count[line] += 1
+        else:
+            dict_count[line] = 1
+        line = open_file.readline()
+print(dict_count)
+
+# Counting the images categories
+dict_count_im = {}
+with open('images.txt', 'r') as open_file:
+    line = open_file.readline()
+    while line:
+        line = line[3:-26]  # cut 3 chars in front and 26 from back, so it gives us a category name
+        if line in dict_count_im:
+            dict_count_im[line] += 1
+        else:
+            dict_count_im[line] = 1
+        line = open_file.readline()
+print(dict_count_im)
+
+# dict_count.keys()
+# dict_count.values()
+
+# Be careful with looping!
+