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 ## Python-Climb-Learning-Tutorial
 
 This is my python climb learning road, I followed neuralnine's youtube vedio and write the following code down below...
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 ## 10 apps in Python with PySimpleGUI
 ### Source Code List
 
- - python libs to install: pip install PySimpleGUI pytube matplotlib pillow beautifulsoup4 opencv-python
+ - python libs to install: pip install PySimpleGUI pytube matplotlib pillow beautifulsoup4 opencv-python requests
  - 1-converter
  - 2-one-line-app
  - 3-calculator