Using Dictionary and If together

Question

How to use Dictionary and If Statement together??

Answer 1

Just an example: /Python/

d = {1: 'a', 2: 'b', 3: 'c'}
k = int(input('Key to check: '))
if k in d:
print('Key {0} found in d dictionary. It equals {1}.'.format(k, d[k]))
else:
print("None")