$1.$ Write a Python function called is$\_$armstrong$($number$)$ that takes a three$-$digit

number as its parameter and returns True or False based on the nature of the

number. If the function returns true, print $\{$number$\}$ is an Armstrong number.

Otherwise print $\{$number$\}$ is not an Armstrong number. $(10$ pts$).$

Example

is$\_$armstrong$(153)--->$ return True

is$\_$armstrong$(121)--->$ return True

$"""$

# Write your solution for problem $1$ here