I have a number 0x7fffffffd908(int representation) and I want it to align the length of machine address.

0x7fffffffd908 -> 0x00007fffffffd908

have any ways to achieve this only use format string?

I tried this :

"{:0>#18x}"

but result is 00000x7fffffffd908.

CodePudding user response：

You can use the following format string

>>> "{0:#0{1}x}".format(0x7fffffffd908, 18)
0x00007fffffffd908

Which formats your value as hex, padded with leading 0, to length 18.

CodePudding user response：

num = 140737488345352
print(f"{num:#018x}")