Lecture Notes on 21 September 2009

# Prompt the user to enter 3 sides of a triangle
# determine if it is a right angled triangle

def main():
  a = input ("Enter side 1: ")
  b = input ("Enter side 2: ")
  c = input ("Enter side 3: ")

  a2 = a * a
  b2 = b * b
  c2 = c * c

  if ((a2 == b2 + c2) or (b2 == c2 + a2) or (c2 == a2 + b2)):
    print ("Triangle is right angled")
  else:
    print ("Triangle is not right angled")


# Prompt the user to enter a number and determine if it is perfect
def main():
  num = input ("Enter a number: ")

  sumDivisor = 0
  count = 1
  limit = num / 2
  while (count <= limit):
    if (num % count == 0):
      sumDivisor = sumDivisor + count
    count = count + 1

  if (num == sumDivisor):
    print num, "is perfect"
  else:
    print num, "is not perfect"