Python 101 - Lesson 4 - Chapter 4

# Exercise 4.4
# What is the purpose of the ”def” keyword in Python?

# b

# Exercise 4.5
# What will the following Python program print out?

# d

# Exercise 4.6
# Rewrite your pay computation with
# time-and-a-half for overtime and create a
# function called computepay which takes two
# parameters (hours and rate).

def computepay( hours, rate ):
  if hours <= 40:
    pay = hours * rate
  else:
    hours2 = hours - 40
    pay = 40 * rate + 15 * hours2
  print 'Pay:', pay


hs = int(raw_input('Enter Hours:'))
re = int(raw_input('Enter Rate:'))
computepay(hs, re)

# Exercise 4.7
# Rewrite the grade program from the previous
# chapter using a function called computegrade
# that takes a score as its parameter and
# returns a grade as a string.

def computegrade(score):
  if score > 0.9:
    return 'A'
  elif score > 0.8:
    return 'B'
  elif score > 0.7:
    return 'C'
  elif score > 0.6:
    return 'D'
  elif score <= 0.6:
    return 'F'
  else:
    return 'bad score'

input = raw_input('Enter score: ')
try:
  sc = float(input)
  if sc < 10.0:
    print computegrade(sc)
  else:
    print 'Bad score'
except:
  print 'Bad score'