Format a number containing a decimal point with leading zeroes

Question

I want to format a number with a decimal point in it with leading zeros.

This

>>> \'3.3\'.zfill(5)
003.3

considers all the dig

Answer 1

Starting with a string as your example does, you could write a small function such as this to do what you want:

def zpad(val, n):
    bits = val.split('.')
    return "%s.%s" % (bits[0].zfill(n), bits[1])

>>> zpad('3.3', 5)
'00003.3'