CS 30 Exam 1 Topics
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arithmetic operations
  + - * / %
  int, float

storing values in variables
  x = 3
  x, y = 1, 2

getting input from the user
  input vs. raw_input

printing output on the screen
  print
  string formatting with %f, %d, %s

for loops
  using range
  for x in sequence:
  for i in range(len(sequence)):

understand the difference between looping
through a sequence of values directly vs.
using an index number

while loops

simple decisions using if-else

function definitions
  def name(param1, param2, param3):
  return value

retrieving and storing values in lists
  values[i]
  values[-i]
  values[m:n]
  values[i] = newval

using random numbers
   random.uniform
   random.randrange
   random.choice

manipulating strings
   s[i]
   string.split
   string.join
   s1 + s2
   other string library functions (see the
   table on page 96)

reading lines from a file
   f = open(filename)
   lines = f.readlines()
   f.close()

manipulating graphics objects