#
# This program takes a temperature, in Fahrenheits, as an input. 
# Allows user to re-enter the temperature as many times as he/she wants.
# The program is stopped by pressing Enter without entering any value
#

def main():

    while True: # an infinite loop
        T_s = input("Please input todays temperature (press Enter to quit):")
        if T_s == "":
            print("No temperature reading was provided, \
which means that you want to terminate the program. Have a good day!")
            break # break exits/terminates any loop
        
        else :
            T = float(T_s)
        
            if T > 90:
                print("It is hot today. Stay out of the sun!\n")
                
            elif T <= 90 and T >= 70:
                print("It is nice and warm today!\n")
                
            elif T < 70 and T >= 32:
                print(" It is cold today.\n")
                
            else:
                print("It is freezing today. Don't forget to wear mittens and hat!\n")

main()