Age Validation

Write a Python program that takes an age as input and raises a custom exception if the age is less than 18. The exception message should be “Age should be at least 18.”

Example 1:

Input: 15 
Output: "Error: Age should be at least 18."

Example 2:

Input: 20 
Output: "Valid age."

Use the ‘raise’ keyword to raise an exception when the given condition is met.

def validate_age(age):
    if age < 18:
        raise Exception("Error: Age should be at least 18.")
        return "Valid age."

print(validate_age(15))  # Output: "Error: Age should be at least 18."
print(validate_age(20))  # Output: "Valid age."


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