#380. n numbers: average (2 decimal places)
First you get n, then n integers, each on its own line. Find their **average (2 decimal places)**.
### Input
The first line has n (1 ≤ n ≤ 20), the next n lines have the numbers (-100..100).
### Output
One number.
Examples
Input
20 -79 93 -50 3 80 6 -99 -78 -62 -10 34 -7 -23 -94 66 12 -95 64 33 -10
Output
-10.80
Input
13 -55 60 78 -71 -92 -49 71 17 44 -88 -48 51 -85
Output
-12.85
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.