#   This program asks the user to input a number from 1 to 10.
# If input value is not a number, an exception is raised,
# if the input value is out of the range, an error message is displayed

def main():
    n = 0
    while not 1 <= n <= 10:
        n=raw_input('Enter a number from 1 to 10:')
        if n.isdigit() == False:
            raise ValueError('it is not a number')
        n=int(n)
        if n<1 or n>10:
            print 'Your number should be from 1 to 10'

main()