Successor and Predecessor! PYTHON

#Successor and Predecessor!

n1 = int (input ('Enter a number: '))
ant = n1 - 1
suc = n1 + 1

print ('The {}SUCCESSOR{} of {} is {}!' .format('\033[4;35m', '\033[m',n1, suc))
print ('The {}PREDECESSOR{} of {} is {}!' .format('\033[4;34m', '\033[m',n1, ant))

#by Estéfani =D