# basic functionality test for {} format string using large integers def test(fmt, *args): print("{:8s}".format(fmt) + ">" + fmt.format(*args) + "<") # Separator formatter test("{:,}", 123_456_789_012_345_678_901_234_567) test("{:,}", 23_456_789_012_345_678_901_234_567) test("{:,}", 3_456_789_012_345_678_901_234_567) test("{:,}", -123_456_789_012_345_678_901_234_567) test("{:,}", -23_456_789_012_345_678_901_234_567) test("{:,}", -3_456_789_012_345_678_901_234_567)