在 Python3 中用前导零填充字符串
hour = 4minute = 3print("{:0>2}:{:0>2}".format(hour, minute))print("{:0>3}:{:0>5}".format(hour, minute))print("{:0<3}:{:0<5}".format(hour, minute))print("{:$<3}:{:#<5}".format(hour, minute))
Output:
04:03004:00003400:300004$$:3####
