while x2 == '':
try:
x2 = input('Enter the x co-ordinate of the second Orangutan: ')
print ''
except:
print ''
print 'Error!. Entry must consist solely of digits.'
print ''
while y2 == '':
try:
y2 = input('Enter the y co-ordinate of the second Orangutan: ')
print ''
except:
print ''
print 'Error!. Entry must consist solely of digits.'
print ''
# The following section constructs the two 'OrangUtan' objects ('O1' and 'O2')
# from the collected data.
O1 = OrangUtan(name1,x1,y1)
O2 = OrangUtan(name2,x2,y2)
# The next section uses a function associated with the 'OrangUtan' class to find
# the distance between two 'OrangUtan' objects 'O1' and 'O2'.
print name1, 'is', O1.distanceFrom(O2.getX(),O2.getY()), 'units from', name2
print ''
raw_input('<<< Press Enter to exit >>>')
