Concatenating In Excel

Beside the IF function I also struggled with concatenating. I thought Excel is going to be very easy since I use lot at work in daily bases but the more, we dive in deeper the more complicated it became for me. But since I was more determined to get it. So, I put in lot of time and effort the better it paid off for me.

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I found this topic to be very challenging for me. But I am very determined to put some time aside and practice and get comfortable with it. Did anyone have a hard time with a particular topic and if you did, what did you do differently to help you better understand it?