38.62%

Given the marks of all students, calculate the mean.

**Input:**

The first line of input contains an integer T denoting the number of test cases. Then T test cases follow. Each test case consists of two lines. The first line of each test case consists of an integer N denoting the number of students. The second line of each test case consists of N space separated integers denoting the marks of all the students.

**Output:**

Corresponding to each test case, print the floor value of the mean in a new line.

**Constraints:**

1<=T<=100

1<=N<=100

1<=Marks<=100

**Example:**

**Input:**

3

4

56 67 30 79

4

78 89 67 76

5

90 100 78 89 67

**Output:**

58

77

84