python
# Define a dictionary                                            
student = {
    'age': 25,
    'course': 'Computer Science',
}

# Attempt to get the value associated with the 'name' key..
# and handle a KeyError if it doesn't exist
try:
    name = student['name']
    print(f"Name: {name}")
except KeyError:
    print("Key 'name' does not exist.")