Домашнее задание для первого урока

hw_Lesson_01/1.py

@@ -0,0 +1,14 @@
+str_1 = "разработка"
+str_2 = "сокет"
+str_3 = "декоратор"
+
+print(str_1, type(str_1))
+print(str_2, type(str_2))
+print(str_3, type(str_3))
+
+bstr_1 = b'\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430'  # получено в branah.com, в поле utf-16
+print(bstr_1.decode("utf-16"), type(bstr_1)) # почему-то выводит кривые символы
+bstr_2 = b'\u0441\u043e\u043a\u0435\u0442'
+print(bstr_2.decode("utf-16"), type(bstr_2))
+bstr_3 = b'\u0434\u0435\u043a\u043e\u0440\u0430\u0442\u043e\u0440'
+print(bstr_3.decode("utf-16"), type(bstr_3))

hw_Lesson_01/2.py

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+bstr_1 = b'class'
+bstr_2 = b'function'
+bstr_3 = b'method'
+
+print('тип =',type(bstr_1),'содержимое =', bstr_1, "длина = ", len(bstr_1))
+print('тип =',type(bstr_2),'содержимое =', bstr_2, "длина = ", len(bstr_2))
+print('тип =',type(bstr_3),'содержимое =', bstr_3, "длина = ", len(bstr_3))

hw_Lesson_01/3.py

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+bstr_1 = b"attribute"
+# bstr_2 = b"класс" - SyntaxError: bytes can only contain ASCII literal characters.
+# bstr_3 = b"функция" - SyntaxError: bytes can only contain ASCII literal characters.
+bstr_4 = b"type"

hw_Lesson_01/4.py

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+str_1 = "разработка"
+str_2 = "администрирование"
+str_3 = "protocol"
+str_4 = "standard"
+
+bstr_1 = str_1.encode()
+bstr_2 = str_2.encode()
+bstr_3 = str_3.encode()
+bstr_4 = str_4.encode()
+
+print("encode =", bstr_1, "decode =", bstr_1.decode())
+print("encode =", bstr_2, "decode =", bstr_2.decode())
+print("encode =", bstr_3, "decode =", bstr_3.decode())
+print("encode =", bstr_4, "decode =", bstr_4.decode())

hw_Lesson_01/5.py

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+import subprocess
+
+args = ['ping', 'yandex.ru']
+
+subproc_ping = subprocess.Popen(args, stdout=subprocess.PIPE)
+
+for line in subproc_ping.stdout:
+    line = line.decode('cp866').encode('utf-8')
+    print(line.decode('utf-8'), end="")
+
+args = ['ping', 'youtube.com']
+
+subproc_ping = subprocess.Popen(args, stdout=subprocess.PIPE)
+
+for line in subproc_ping.stdout:
+    line = line.decode('cp866').encode('utf-8')
+    print(line.decode('utf-8'), end="")

hw_Lesson_01/6.py

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+import locale
+
+test_file = open("test_file.txt", "w")
+
+test_file.write("сетевое программирование\n")
+test_file.write("сокет\n")
+test_file.write("декоратор\n")
+print(test_file)
+test_file.close()
+
+def_coding = locale.getpreferredencoding()
+print("кодировка файлов по умолчанию =", def_coding)
+
+print("Содержимое файла в Unicode:")
+with open("test_file.txt", encoding="utf-16le") as f_n:
+    for el_str in f_n:
+        print(el_str, end='')