s31.py

d1={'name':'karthi','age':7}
print ("{name} is {age} years old".format(**d1))#Output:karthi is 7 years old

#using format_map
print ("{name} is {age} years old".format_map(d1))#Output:karthi is 7 years old



d2={'name':['karthi','Sarvesh'],
'age':[7,3]}
print ("{name[0]} is {age[0]} years old".format(**d2))#Output:karthi is 7 years old

print ("{name[0]} is {age[0]} years old".format_map(d2))#Output:karthi is 7 years old