Python Exercise: Program to check if a given key already exists in a dictionary
Write a Python program to check if a given key already exists in a dictionary.
Sample Solution :
Python Code :
d = {1: 10, 2: 20, 3: 30, 4: 40, 5: 50, 6: 60}
def is_key_present(x):
if x in d:
print('Key is present in the dictionary')
else:
print('Key is not present in the dictionary')
is_key_present(5)
is_key_present(9)
Console :
Copy and paste the above code and press "Enter key" to execute :
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