ch3: conditionals

Exercise 1: Rewrite your pay computation to give the employee 1.5 times the hourly rate for hours worked above 40 hours.
Enter Hours: 45
Enter Rate: 10
Pay: 475.0

inp_hours = input("Enter hours: ")
inp_rate = input("Enter Rate: ")
fl_hours = float(inp_hours)
fl_rate = float(inp_rate)
if fl_hours <= 40:
    pay = fl_hours * fl_rate
elif fl_hours > 40:
    pay = (40 * fl_rate) + ((fl_hours - 40) * (fl_rate * 1.5))
print("Pay: ", pay)

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Exercise 2: Rewrite your pay program using try and except so that your program handles non-numeric input gracefully by printing a message and exiting the program. The following shows two executions of the program:

Enter Hours: 20
Enter Rate: nine
Error, please enter numeric input
Enter Hours: forty
Error, please enter numeric input

inp_hours = input("Enter hours: ")
try:
    fl_hours = float(inp_hours)
    inp_rate = input("Enter Rate: ")
    fl_rate = float(inp_rate)
except:
    print("Error, please enter numeric input")
    quit()
if fl_hours <= 40:
    pay = fl_hours * fl_rate
elif fl_hours > 40:
    pay = (40 * fl_rate) + ((fl_hours - 40) * (fl_rate * 1.5))
print("Pay: ", pay)

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Exercise 3: Write a program to prompt for a score between 0.0 and 1.0. If the score is out of range, print an error message. If the score is between 0.0 and 1.0, print a grade using the following table:

Score Grade
   = 0.9 A
   = 0.8 B
   = 0.7 C
   = 0.6 D
   < 0.6 FAIL

Enter score: 0.95
A
Enter score: perfect
Bad score
Enter score: 10.0
Bad score
Enter score: 0.75
C
Enter score: 0.5
FAIL
Run the program repeatedly as shown above to test the various different values for input.

inp_score = input("Enter score: ")
try:
    fl_score = float(inp_score)
    if fl_score > 0 and fl_score <= 1:
        if fl_score >= 0.9 and fl_score <= 1:
            print("A")
        elif fl_score >= 0.8:
            print("B")
        elif fl_score >= 0.7:
            print("C")
        elif fl_score >= 0.6:
            print("D")
        elif fl_score < 0.6:
            print("FAIL")
    else:
        print("Bad score")
except:
    print("Bad score")

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