title: finding an odd digit in a number
body: <p>So i have to make a program in python using a while loop. It goes like this: input an integer until it is 0.the program has to write out how many of inputed numbers has at least 1 odd digit in it.i don't know how to find odd digits in a number for which i don't know how many digits it has.i need this for school :/</p>