### My issue

### My code

```
# The code below is incorrect. Debug this code to solve the problem
import math
t = int(input())
for i in range(t):
x,y = map(int,input().split())
m = math.ceil(x//10)
n = math.ceil(y//10)
print(abs(m-n))
```

Learning course: Python for problem solving - 1

Problem Link: CodeChef: Practical coding for everyone