Check if a given key already existsΒΆ
if k in D
Write a python script to check if a given key already exists in a dictionary.
D = {1: 10, 2: 20, 3: 30, 4: 40, 5: 50, 6: 60}
def is_key_present(k):
if k in D:
print('Key is present in the dictionary')
else:
print('Key is not present in the dictionary')
# test
is_key_present(5) # Key is present in the dictionary
is_key_present(9) # Key is not present in the dictionary