Скачать или смотреть 2. Calculator: Understanding the grid geometry manager in Python Tkinter for the Calculator App

In this video discuss the grid geometry manager for Tkinter in context of the Calculator App that we are building. Grid manager allows us to create a neatly arranged array of widgets without specifying the exact x and y coordinates. We also see how this is applied to the calculator app that we are building.

Other videos in this series.

1. Introduction and Learning Goals
   • 1. Calculator: Building a Calculator App o...  

2. Understanding the grid geometry manager
   • 2. Calculator: Understanding the grid geom...  

3. Adding the Expression Label and the Entry label
   • 3. Calculator: Adding the Expression Label...  

4. Adding rows of buttons
   • 4. Calculator: Adding rows of buttons usin...  

5. What does the 'sticky' option mean?
   • 5. Calculator: What does the 'sticky' opti...  

6. The high level architecture of the Calculator App -- 4 types of buttons, 2 labels
   • 6. Calculator: The high level architecture...  

7. Getting ONE number button to work
   • 7. Calculator: Getting ONE number button t...  

8. Making all the number buttons work using lambda functions
   • 8. Calculator: Making all the number butto...  

9. A brief introduction to lambda functions in Python
   • 9. Calculator: A brief introduction to lam...  

10. Getting the operator buttons to work using lambda functions
   • 10. Calculator: Getting the operator butto...  

11. Getting the CLEAR button to work
   • 11. Calculator: Getting the CLEAR button t...  

12. Getting the EQUALS button to work using the EVAL statement
   • 12. Calculator: Getting the EQUALS button ...  

13. Handling errors using try/except statement
   • 13. Calculator: Handling errors using try/...  

14. Comparing our calculator app with the standard windows app, and several enhancement ideas
   • 14. Calculator: Comparing our calculator a...  


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