Q$1)$ using for loop and range function, write a program that calculate the sum of all odd digits from $1$ to the input given by the user. For example, if the input is $7,$ the output would be $1+3+5+7=16.$ As bellow:

Q$2)$ There are $9,870$ people in a town whose population increases by $10\%$ each year. Write a while loop that displays the annual population and determines how many years it will take for the population to surpass a population projected given by the user as input. $($hint population$=$population$+$population$*0\mathrm{.}1)$

The output should be as below: