for_behavior.py

test_list = [(1,1),(1,2),(1,3),(1,4),(1,5)]
for coordinate in test_list:
    for c_point in test_list:
        print 'compare_point ' + str(c_point)
        test_list.remove(c_point)
        print test_list
        
# output
'''
compare_point (1, 1)
[(1, 2), (1, 3), (1, 4), (1, 5)]
compare_point (1, 3)
[(1, 2), (1, 4), (1, 5)]
compare_point (1, 5)
[(1, 2), (1, 4)]
compare_point (1, 2)
[(1, 4)]
'''