

def 			lowerCAmelCase(      SCREAMING_SNAKE_CASE_			,						SCREAMING_SNAKE_CASE_			,						SCREAMING_SNAKE_CASE_			)->						float:



    """simple docstring"""






    if principal <= 0:
        raise Exception("Principal borrowed must be > 0"			)
    if rate_per_annum < 0:
        raise Exception("Rate of interest must be >= 0"			)
    if years_to_repay <= 0 or not isinstance(SCREAMING_SNAKE_CASE_			,						SCREAMING_SNAKE_CASE_			):
        raise Exception("Years to repay must be an integer > 0"			)

    # Yearly rate is divided by 12 to get monthly rate
    UpperCamelCase_			  =						rate_per_annum / 1_2

    # Years to repay is multiplied by 12 to get number of payments as payment is monthly
    UpperCamelCase_			  =						years_to_repay * 1_2

    return (
        principal
        * rate_per_month
        * (1 + rate_per_month) ** number_of_payments
        / ((1 + rate_per_month) ** number_of_payments - 1)
    )


if __name__ == "__main__":
 import doctest

 doctest.testmod()



def 			lowerCAmelCase(      SCREAMING_SNAKE_CASE_ = 4_0_0_0_0_0_0			)->						int:



    """simple docstring"""






    UpperCamelCase_			  =						[0, 1]
    UpperCamelCase_			  =						0
    while fib[i] <= n:
        fib.append(fib[i] + fib[i + 1]			)
        if fib[i + 2] > n:
            break
        i += 1
    UpperCamelCase_			  =						0
    for j in range(len(SCREAMING_SNAKE_CASE_			) - 1			):
        if fib[j] % 2 == 0:
            total += fib[j]

    return total


if __name__ == "__main__":
 print(F'''{solution() = }''')
