Question

10.11 LAB: Fat-burning heart rate

Write a program that calculates an adult's fat-burning heart rate, which is 70% of 220 minus the person's age. Complete fat_burning_heart_rate() to calculate the fat burning heart rate.

The adult's age must be between the ages of 18 and 75 inclusive. If the age entered is not in this range, raise a ValueError exception in get_age() with the message "Invalid age." Handle the exception in __main__ and print the ValueError message along with "Could not calculate heart rate info."

Ex: If the input is:

35

the output is:

Fat burning heart rate for a 35 year-old: 129.5 bpm

If the input is:

17

the output is:

Invalid age.
Could not calculate heart rate info.

def get_age():
age = int(input())
# TODO: Raise excpetion for invalid ages
return age

# TODO: Complete fat_burning_heart_rate() function
def fat_burning_heart_rate(age):

return heart_rate

if __name__ == "__main__":
# TODO: Modify to call get_age() and fat_burning_heart_rate()
# and handle the exception
age = get_age()

Answer 1

def get_age():
    age = int(input())
    if(age>=18 and age<=75):
        return age
    else:
        raise ValueError("Invalid age.")

def fat_burning_heart_rate(age):
    return ((70 / 100) * (220 - age))

if __name__ == '__main__':
    try:
        age = get_age()
        print("Fat burning heart rate for a",age,"year-old:",fat_burning_heart_rate(age),"bpm")
    except ValueError as ve:
        print(ve.args[0])
        print("Could not calculate heart rate info.")