This lab gave me some trouble in the end because it look me awhile to figure out the right codes, but after going back to the previous sections of the lab, I was able to figure it out and learn something new at the same time. In the last part of the lab, I was supposed to add up my car rental, hotel, airplane ticket, and spending money cost. I did not know how to add up the prices because I was not familiar with the format that was needed to execute the function. I then played around the codes, trying to put together the costs of each variable and I was able to  add everything up by putting the variables inside parentheses to then add everything up.

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