# Question 1:
# Wikipedia's wikitext parser

# Question 2:
# It depends. One self-contained task (from a human perspective) would be the default, but if a set of tasks are likely to be repeated together often in a program, then it might make sense to combine them into a single function.


#4.4

#d) "def" is the keyword to indicate the start of a function definition, and functions must be defined before they can be called.

#4.5

#d)

#4.6

def yourpay( rate, hours ):
    try:
        rate = float(rate)
    except:
        print ( "Rate is a number, in 'merican dollars." )
        return
    try:
        hours = float(hours)
    except:
        print( "Just gimme the number of hours, nuthin' fancy." )
        return
    pay = rate * hours
    if hours > 40:
        pay += 0.5 * rate * (hours - 40)
        reply = "So, with overtime I reckon you make $" + str(pay) + ", right?"
    else:
        reply = "So, I reckon you make $" + str(pay) + ", right?"
    print( reply )

yourpay( 10, 45 )

#4.7

def computegrade( score ):
    rejection =  "Ur dumb. For an input, use a NUMBER, 'tween ZERO an' ONE. You fail."
    try:
        score = float(score)
    except:
        print( rejection )
        return
    if score < 0 or score > 1:
        print ( rejection )
        return
    if score < 0.6:
        grade = "F"
    elif score >= 0.9:
        grade = "A"
    elif score >= 0.8:
        grade = "B"
    elif score >= 0.7:
        grade = "C"
    elif score >= 0.6:
        grade = "D"
    else:
        grade = "F"
    print( "Ur grade is " + grade + "." )

computegrade(0.95)
computegrade("perfect")
computegrade(10.0)
computegrade(0.75)
computegrade(0.5)