Placing of LED and resistor
There is column wise connection on breadboard, But while showing use of push button, in live setup, LED and resistor are placed side by side. 

Arduino Electronic-components-and-connections 06-07 min 10-20 sec 25-05-20, 2:18 p.m. anurag.boraste@gmail.com

Answers:

Yes, the images shown in breadboard connection and connection is live setup are different, but it makes the same circuit when the switch is closed, so it will work in both condition.
01-06-20, 1:15 p.m. rajeshmk


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