# Python script to check if a given key already exists in a dictionary.

my_dict = {1: 10, 2: 20, 3: 30, 4: 40, 5: 50, 6: 60}
def is_key_present(x):
  if x in my_dict:
      print("Key is present in the dictionary")
  else:
      print("Key is not present in the dictionary")
is_key_present(5)
is_key_present(9)