CS21: Quiz 2 Study Sheet
In addition to all concepts from
Quiz 1
,
You should be able to define the following terms:
branching and looping
the Accumulator design pattern
data types: integer, float, string, boolean, list
You should understand and be able to use the following Python concepts:
basic arithmetic expressions using +, -, *, /, **, %
conversion between the int, float, and str types
reading in strings using raw_input()
the empty string ""
string concatenation with +, repetition with *
string and list indexing with []
string and list slicing with [:]
for loops over strings and lists
len()
tracing a program
if, if/else, if/elif/else
the relational operators <, <=, ==, >, >=, !=
the boolean operators
and
,
or
, and
not
the random library functions:
randrange()
,
choice()
Practice problems:
Programming exercises 1, 4, and 8 on page 228-229 of Zelle; excerise 10 on page 120
True/false questions 1, 2, 4, 7, 8 on pages 225-226 of Zelle; questions 1, 2, 3, and 4 on page 115
Multiple choice problems 2, 3, 5, 6, 7, 10 on pages 226-227 of Zelle.
Discussion question 1, parts (a) through (f) on page 116 of Zelle.
Trace the behavior of the following program:
x = 3 print 0,x for i in range(1,6): if x % 2 == 0: x = x / 2 else: x = (3*x+1)/2 print i,x
Last updated: Tuesday, September 22, 2020 at 12:25:27 PM