I want to print some integer values in Hex. For this purpose I normally use format() function. Suppose I want to print X in place of 0 in the output will format() help me to do that?
>>> format(16,"04X")
'0010'
what i need :
'XX10'
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1 Answer
If you read the Format Specification Mini-Language, you'll see that the 0 you're using is a special case:
Preceding the width field by a zero (
'0') character enables sign-aware zero-padding for numeric types. This is equivalent to a fill character of'0'with an alignment type of'='.
That should give you the clue you need to do the same thing with a different fill character. But just in case, let's look at what it says for those align and fill fields:
If a valid align value is specified, it can be preceded by a fill character that can be any character and defaults to a space if omitted.
The syntax for the format string is:
format_spec ::= [[fill]align][sign][#][0][width][,][.precision][type]
So, that tells you where to put the fill and align values:
format(16, "X=4X")
