Introduction to programming using python--Hello World chapt. 7,8,9,11,12,13
v. What is the correct description for and?
All must be true to be true
Which of the three problem solving techniques did Sherlock Holmes use?
Analytical
u. What are the logical combinations in Python?
And, or & not
What is it called when you diagram with Yes\No the problem solution?
Decision Tree
s. What is elif short for in Python?
Else-if
True/False A """without a name is a Python comment.
False
True/False Comments are for the computer to execute.
False
True/False Comments can go at the middle of a line.
False
True/False Should you use the """ for comments in Python.
False
True/False There are hard-and-fast rules for what you should have in comments.
False
j. True/False In Python indenting is just a matter of style.
False
l. True/False As long as it is indented it does not need to be the same amount in a block.
False
m. True/False The == and the = are the same in Python.
False
p. True/False Chaining of < and > such as 9< a > 15 is not allowed.
False
branch
What is a possible sequence from the initial state?
process in which we try to determine any constraints that will be faced in developing a solution
What is a preliminary analysis?
complete set of possible states
What is a problem state?
combinational explosion
What is it called when the possible moves sequences grows rapidly?
What keystrokes will end or interrupt an infinite loop in Python?;
cntrl-c
What is it called when an algorithm is translated in to a program?
coding
What are the "notes" on a program called?
comments
n. Testing or checking is also called ________ in Python.
comparing
q. A _____ is also called a conditional test or logical test.
comparison
What type of loop repeats until a certain thing happens?;
conditional
Fixed numbers are also called ______.
constants
A list in Python is a "_____".;
container
What stops executing the current iteration?;
continue
What type of loop repeats a certain number of times?;
counting
What stops executing the current loop?;
break
f. A ____ of code is one or more lines of code that are grouped together.
block
What is not a comment but can be similar to a comment?
""" with no name
What symbol makes a line a comment?
#
What can allow an expression over multiple line?
()
What is the first number generated of range(8)?;
0
What is the default step of range()?;
1
What is necessary in an algorithm?
1. that it specify a behavior in such a way that at any point, there is no doubt about what should be done or how to do it givens
What is the first number generated of range(10,15)?;
10
What is the last number generated of range(10,15)?;
14
k. What is the convention of indentation in Python?
4 spaces
What is the last number generated of range(8)?;
7
g. What at the end of a line tells Python a block of instructions is coming next?
:
o. What is another name for the comparison operators?
Relational operators
variants , invariants
Specifying _________ and ___________ can help identify and constrain the resources of a problem.
e. How do you identify a block of code in Python?
The indentation
True/False A conditional loop loop will keep looping while the test is ?;
True
True/False A string is a list of characters;
True
True/False Comments can go at the beginning of a line.
True
True/False Comments can go at the end of a line.
True
True/False The more time you spend problem solving before you start coding, the less overall time it will take to get the software to work properly.
True
True/False Variables can be used for the limit of range().
True
True/False Within the body of a loop (block) we can place other blocks with loops.
True
a. True/False Programs need to be able to make decisions on what to do.
True
h. True/False The block includes every line that is indented until they are not indented.
True
i. True/False What does the test need to be to be execute the block of Python instructions from an if?
True
y. True/False and, or & not are operators
True
c. What are the two possible answers for each test?
True and false
States
What are the "points" in a problem space?
depth-first and breadth-first
What are the two strategies for state-graph solutions?
d. What is doing tests and making decisions based on the results called?
branching
ply
What is the technical term for a move/counter-move pair.
root
What is the term used for the final state?
blind
What type of hacking is very susceptible to wasting time and resources?
when there are not too many steps
When is hacking a good approach to problem solving?
informed
Which type of hacking "prunes" the useless branches from a search tree?
What character in Python can be used to extend a line to the next?
\
For each iteration of an outer loop the inner loop goes through ___ of its iterations.
all
w. What is the correct description for or?
any need to be true
_____ are the values that you put inside the () when you call a function.;
arguements
What are the two types of hacking?
blind and informed
Comments are part of a programs ____________________
documentation
t. What is the false option with with if in Python?
else
What is a good use of nested loops?
figuring out all the possible permutations and combinations of series of decisions Decision TRee
The _____ in loop uses a list of values.;
for
What type of loop in Python is a counting loop?;
for
What are the inputs to a problem?
givens
What is another name for the initial conditions of a problem?
givens
Is the top-down given-to goals or goals-to-givens?
givens-to-goals
What is another name for the desired state?
goal or goals
What are the outputs of a problem?
goals
What is reverse hacking?
goals-to-givens
What are the three distinct approaches to problem solving?
hacking, analytical & analogical
What is another name for a runaway or endless loop?;
infinite
Each time through the loop is called a(n)______.;
iteration
r. In programming ____ refers to something where the answer is either true or false.
logical
A _____ is computer program that repeats the same steps over and over again.;
looping
A ______ loop is a loop inside another loop.
nested
x. What is the correct description for not?
opposite comes out
What makes problem solving in our daily problems difficult?
our givens, goals and resources are unclear
The top-down approach is very helpful in writing an _____________.
outline
What is a common debugging method?
printing of values in loops
What in Python allows us to generate a list of values?;
range
What are the inner workings of a problem?
resources
What are the means or methods that can transform a problem state in order to move, step by step, from givens to goal(s)
resources
A while loop uses a _____ to decide when to stop a loop.;
test
b. To make decision, programs check or do a ____to see if a certain condition is true or not.
test
What is the 3rd argument or extra argument of range()?;
the step
___________ decomposes a problem into sub-problems.
top-down
What is another name for what Caesar called "divide and conquer"?
top-down decomposition
What is another name for hacking?
trial-and-error
What type of loop is a conditional loop?;
while
