Added readme to each lessons adn edited play music to target wanted os

Author: cwkang1998

.gitignore

@@ -4,4 +4,9 @@ ve
 __pycache__
 output
 themes
-downloaded/
+downloaded/
+
+# FFMPEG dependencies
+ffmpeg.exe
+ffplay.exe
+ffprobe.exe

Lesson1/README.md

@@ -0,0 +1,5 @@
+# Lesson 1
+
+Required dependencies for this lesson:
+Python dependencies: fbchat, win10toast(extra for windows)
+

Lesson2/README.md

@@ -0,0 +1,5 @@
+# Lesson 2
+
+Required dependencies for this lesson:
+Python dependencies: beautifulsoup4, youtube_dl
+External dependencies: ffmpeg executables

Lesson2/play_music.py

@@ -1,14 +1,21 @@
 import os
 import glob
 import time
-from simpleaudio import WaveObject
+from sys import platform
 
-for file in glob.glob('./downloaded/*.mp4'): #get all mp4 files in downloaded/
-    print(file)
-    os.system(f'./ffmpeg -i "{file}" "{file[:-4]}.wav" ') # call function to convert file type
-    os.remove(file)
-
-for file in glob.glob('./downloaded/*.wav'): #play all music in file
-    wave = WaveObject.from_wave_file(file)
-    play = wave.play()
-    play.wait_done()
+if platform == "linux" or platform == "linux2"or platform == "darwin":
+    try:
+        from simpleaudio import WaveObject
+    except ImportError:
+        exit(1)
+    for file in glob.glob('./downloaded/*.wav'):  # play all wav music in file
+        wave = WaveObject.from_wave_file(file)
+        play = wave.play()
+        play.wait_done()
+elif platform == "win32" or platform == "cygwin":
+    try:
+        import winsound
+    except ImportError:
+        exit(1)
+    for file in glob.glob('./downloaded/*.wav'):
+        winsound.PlaySound(file, winsound.SND_FILENAME)

Pipfile

@@ -7,7 +7,6 @@ name = "pypi"
 fbchat = "*"
 "win10toast" = "*"
 "beautifulsoup4" = "*"
-pytube = "*"
 youtube-dl = "*"
 
 [dev-packages]