''' 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=" " )