Task

Express a number in decimal as a fixed-length string with leading zeros.



For example, the number   7.125   could be expressed as   00007.125.




import strformat
const r = 7.125
echo r
echo fmt"{-r:9.3f}"
echo fmt"{r:9.3f}"
echo fmt"{-r:09.3f}"
echo fmt"{r:09.3f}"