2 LED blink with 3 buttons

Projects Programming
1

Hi everyone,
Here is my small project description: Use 3 buttons to 2 LED's (Green and Yellow) in the following sequence: (at start LED is off) button 1 to turn on/off the Green LED, button 2 to turn on/off the Yellow , when the button 3 is pressed will turn on all the LED.button1 and 2 is on/off switch ,button 3 is push button (bell switch).

2

Same question here

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