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n = input("Enter package name: ") hours = int(input("Enter number of hours: ")) if n == 'A': print("Total amount of fee is $%.2f" % (2*hours + 5)) elif n == 'B': print("Total amount of fee is $%.2f" % (1*hours + 10)) else: print("Total amount of fee is $%.2f" % 30)

Activity 2: Let's return to the program sign.py. Suppose we want to find out if a number is positive, negative, and zero. We can also use a chained conditional, that is, if.elif..else statement. Please modify your copy of sign.py in this way, and do some experiments to convince yourself that it works. (Again, you must be careful to include the colon after else.) number float(input( "Enter a number: ")) if number>0: print("That number is positive.") elif number