d = {'a':1,'b':2,'c':3,'d':4}
print("Initial dictionary:",d)
key=input("Enter the key to delete(a-d):")
if key in d:
del d[key]
else:
print("Key not found!")
exit(0)
print("Updated dictionary:",d)
OUTPUT:–
Initial dictionary: {'a': 1, 'c': 3, 'b': 2, 'd': 4}
Enter the key to delete(a-d):c
Updated dictionary: {'a': 1, 'b': 2, 'd': 4}