operators_dict = {'<': 'less than','==': 'equal'}
print('Here is the original dict:')
for k in sorted(operators_dict):
    print('Operator '+ k +' means '+ operators_dict[k] +'.')
print(" ")
operators_dict['>']='greater than'
print('The dict was changed to:')
for k in sorted(operators_dict):
    print('Operator '+ k +' means '+ operators_dict[k] +'.')