05

Question 1

The _________ function uses integers to indicate where to start, stop, and by how much it should change to create a sequence of integers.

Answer 1

range

Question 2

If the numerical range is arithmetically invalid, it will raise an error T/F?

Answer 2

False, it will create an empty sequence

Question 3

Howe do you tell something is a function in python?

Answer 3

def

Question 4

How do I edit or use a global variable inside a function

Answer 4

global x
x = 5

Question 5

A ________ is a file that contains one or more functions and/or classes that may be reused to save time writing and debugging source code

Answer 5

python module

Question 6

How do you import a module in python?
How do you see a lit of available modules?

Answer 6

import re
help(‘module’)

Question 7

When creating a expression/search pattern in python using regex whats the format of it?

Answer 7

expression = r”\w+”

Question 8

A ______ modifies the way a regulkar expression examines data. can you use the pipe to look at more then one?

Answer 8

flag, yes

Question 9

_________ ___________ Makes the . (match any character)), include <newline></newline>

________ __________ Allow case insensitive searches on a string

________ __________ Allows the expression to search for strings which span multiple lines

Answer 9

re.DOTALL re.S

re.IGNORTECASE re.I

re.MULTILINE re.M

Question 10

The ________ ___________ looks through the entire string for the pattern specified. If the pattern is found, a match object is returned, otherwise no value is returned

Answer 10

search function

Question 11

The _______ _________ returns a list of strings for each match to all non-overlapping values in a specified string

Answer 11

findall() function

Question 12

The __________ block is provided as a built-in technique to handle errors. What the syntax for it?

Answer 12

try-except

try:
sucessful code operation
except OsError
“There was a problem in meemory”

Question 13

_________________ An illegal arthi8metic operation. E.g. division by zero or a math result too large for the containing data type

_________ When a system function returns a system-related error. E.g. I/O failures like “file not found” or connection failures like “socket failures”

_______________ The subscripted index is specified out of range E.g., trying to access the 10th element of a list of five numbers

_____________ An operation applied to an object of an inappropriate data type. E.g. trying to divide a string by an integer

____________ An operation or function received the correct data type, but the value given was inappropriate

Answer 13

ArthimaticError

OsError

IndexError

TypeError

ValueError

Question 14

Sockets are __________ that allow software to communicate and send data across a network connection via access to a computers nic

Answer 14

objects

Question 15

By default all sockets are tcp T/F?

Answer 15

T

Question 16

What is the steps in a socket session for the server then client?

Answer 16

server
socket()
bind()
Listen
accept()
send and recieve functions
close

client
socket()
bind() optional
connect()
send and recieve functions
close()

Question 17

______________ creates socket object used for endpoint communication

_____________ returns a string containig the local computer name

______________ Attempts to bind the socket to a physical interface

Answer 17

socket.socket()

socket.gethostname()

socket.bind()

Question 18

______________ listen for incoming connections

______________ initates connection from the client

______________ Accepts an incoming connection, returns a socket object to transmit data and the address of the requesting socket

Answer 18

socket.listen

socket.connect

socket.accept

Question 19

______________ closes the socket

_____________ specifies optional hardware/socket configuration

Answer 19

socket.close

socket.setsockopt()

Question 20

methods:

_____________ Reads data from the socket, returns nothing if client closed the connection the ___ parameter specifies number of bytes to read at one time, required.

____________ sends data across the established socket connection

Answer 20

socket.recv(N)

socket.sendall(s)