''' Purpose: print out on the same line, the numbers 1 to r, for
        user-specified r
'''

# get r
reply = input( 'Enter an integer: ' )
r     = int( reply )

# print the values in the interval 1 ... r
for j in range( 1, r+1 ) : # j is an index (iterator) value; we need r+1 because ranges are exclusive for the second term
    print( j, end=" " )