Sample Solution
The following shows one way to solve this problem. It is not the only way this problem can be solved.
check-1_solution.py
# Copyright 2020, Brigham Young University-Idaho. All rights reserved.
"""
When you physically exercise to strengthen your heart, you
should maintain your heart rate within a range for at least 20
minutes. To find that range, subtract your age from 220. This
difference is your maximum heart rate per minute. Your heart
simply will not beat faster than this maximum (220 - age).
When exercising to strengthen your heart, you should keep your
heart rate between 65% and 85% of your heart's maximum rate.
"""
# Get the user's age as a string.
text = input("Please enter your age: ")
# Convert the string that the user entered into an integer.
age = int(text)
# Compute the slowest and fastest beneficial
# heart rates from the user's age.
max_rate = 220 - age
slowest = max_rate * 0.65
fastest = max_rate * 0.85
# Use an f-string to create and print a message for the user to see.
print("When you exercise to strengthen your heart, you should")
print(f"keep your heart rate between {slowest:.0f} and {fastest:.0f}")
print("beats per minute.")
# Copyright 2020, Brigham Young University-Idaho. All rights reserved.
"""
When you physically exercise to strengthen your heart, you
should maintain your heart rate within a range for at least 20
minutes. To find that range, subtract your age from 220. This
difference is your maximum heart rate per minute. Your heart
simply will not beat faster than this maximum (220 - age).
When exercising to strengthen your heart, you should keep your
heart rate between 65% and 85% of your heart's maximum rate.
"""
# Get the user's age as a string.
text = input("Please enter your age: ")
# Convert the string that the user entered into an integer.
age = int(text)
# Compute the slowest and fastest beneficial
# heart rates from the user's age.
max_rate = 220 - age
slowest = max_rate * 0.65
fastest = max_rate * 0.85
# Use an f-string to create and print a message for the user to see.
print("When you exercise to strengthen your heart, you should")
print(f"keep your heart rate between {slowest:.0f} and {fastest:.0f}")
print("beats per minute.")
Download: check-1_solution.py