Ex 10: Loan Eligibility Checker

Problem​

We’re building a basic loan eligibility checker for a bank. A customer must meet both an age and an income requirement to be eligible.

Rules​

• Define check_loan_eligibility(age: int, income: float) -> str.
• If age is 21 or above and income is 25,000 or above, return "Eligible for loan".
• If age is 21 or above and income is below 25,000, return "Not eligible: Income too low".
• If age is less than 21, return "Not eligible: Age must be 21 or above".

Boilerplate​

Copy below code and paste to our IDE for head start.

# Write our code inside this function
def check_loan_eligibility(age: int, income: float) -> str:
    pass # remove this

# Call with test data
print(check_loan_eligibility(25, 30000))
print(check_loan_eligibility(22, 15000))
print(check_loan_eligibility(18, 20000))

Expected Output​

Eligible for loan
Not eligible: Income too low
Not eligible: Age must be 21 or above

Solution​

Only view the solution after trying our best.

def check_loan_eligibility(age: int, income: float) -> str:
    if age >= 21:
        if income >= 25000:
            return "Eligible for loan"
        return "Not eligible: Income too low"
    return "Not eligible: Age must be 21 or above"

# Test calls
print(check_loan_eligibility(25, 30000))
print(check_loan_eligibility(22, 15000))
print(check_loan_eligibility(18, 20000))