Write a Python program to find the greatest common divisor
of each of integers in Exercises 1 - 10 on page 258:

Submit your output, too.

1. 60, 90
2. 110, 273
3. 220, 1400
4. 315, 825
5. 20, 40
6. 331, 993
7. 2091, 4807
8. 2475, 32670
9. 67942, 4209
10. 490256, 337