Raspberry Pi - GPIOs Default State - And How to Fix!

What are the GPIOs default states on Raspberry Pi? What is the internal pull up/down resistor used for that? And how to make sure you can correctly override those default states?
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0:00 Intro
0:21 Defining what GPIO numbers we will talk about
1:12 The GPIOs default states
1:52 Values of internal pull up/pull down resistors
2:52 When does the default state apply?
4:21 Let’s experiment on the Raspberry Pi
5:07 Python program to test default states
6:08 Testing the GPIOs default states
7:31 Fix 1: set default pull up/down resistor in the code
10:19 Fix 2: use an external pull up/down resistor (hardware)
12:42 Outro

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