Python

Question 1

Programs

Answer 1

Lists of instructions the computer preforms in sequential order

Question 2

Source Code

Answer 2

Program written in a high-level programming language

Question 3

Python

Answer 3

High-level programming language
Easy
Emphasizes code readability

Question 4

Python Interpreter

Answer 4

Read instructions from top to bottom, left to rights
Performs instruction validation
run in command line: py or python3

Question 5

IDE

Answer 5

Integrated Development Environment
Most useful in Python: PyCharm

Question 6

IDLE

Answer 6

Python’s Integrated Development Learning Environment

Question 7

String

Answer 7

multiple characters (animals)

Question 8

Integer

Answer 8

Number without decimal (2)

Question 9

Float

Answer 9

Decimal number (2.5)

Question 10

Boolean

Answer 10

True or False

Question 11

Hashtag #

Answer 11

Renders an entire line as a comment

Question 12

””” three quotes

Answer 12

Used in the beginning and end of multi-line comments

Question 13

print()

Answer 13

Prints what is in the ()

Question 14

Keywords

Answer 14

Python’s reserved words and instructions like print, def

Question 15

Indentation

Answer 15

Mechanism that associates a block of code with a condition, loop, or class

Question 16

input function

Answer 16

Used to ask a user for input
Always a string data type
name = input(“Please enter your name: “)

Question 17

Data Types

Answer 17

String, Integer, Boolean, Float

Question 18

string formatting

Answer 18

% ex: item 1 = “Hi, my name is %s and I’m %d years old”
.format ex: item2 = “Hi, my name is {} and I’m {} years old”
f ex: item3 = f”Hi, my my name is {} and I’m {} years old”

Question 19

Logical Operations

Answer 19

Used with Boolean expressions
Truth table: Table that defines the results of a binary operation
AND: Both conditions must be true (to be a true statement or it is false)

Question 20

Conditional Operations

Answer 20

OR: Only one operation must be true (always true unless both conditions are false)
NOT: Reverse the result of the operation
XOR: Exclusive OR True if the results of the operation aren’t similar (must have a true and false)

Question 21

Type Casting

Answer 21

Converting one data type to another date type
int(), float(), str()

Question 22

List

Answer 22

Dynamic data type that can hold different types of data simultaneously.
Starts at 0 [cat, dog, bear] 0=cat

Question 23

Dictionary

Answer 23

Have a key:value format (ex: personDict = {“name”:”Chad”} )
Dictionaries are identified by curly brackets

Question 24

Nested Data Structures

Answer 24

Can hold other data structures
nestedDS = [“hello”, {“name”:”John”, “age”:24}, [“one”, “two”]]
This example is a list with a nested dictionary and another list

Question 25

Tuple

Answer 25

Cannot be edited
Write values separated by commas (cat, dog)

Question 26

String Concationation

Answer 26

Join strings together with +

Question 27

String Sub-String

Answer 27

Also known as slicing
Slice specific characters from a string
string[start:end] or string[start:end:step]

Question 28

Loops

Answer 28

A group of code used when you need something to repeat several times
break command exits the loop
continue command skips the iteration
pass command is used as an empty execution

Question 29

for loop

Answer 29

Used to repeatedly execute a group of statements as long as the condition is satisfied. Used when you know how many times it needs to repeat

Question 30

while loop

Answer 30

Performs a block of code while a condition is true-if it is false, it will not be executed
Used if you do not know how many times it needs to repeat

Question 31

open()

Answer 31

To open a file. Needs text name, and function (r-read, w-write, a-append)
myfile = open(“file.txt”, “w”)

Question 32

close()

Answer 32

Need to be used after open in order to save and close your work
myfile.close()

Question 33

function

Answer 33

Blocks of code with reusable logic
You can call upon it without having to write the same code again

Question 34

scope

Answer 34

What defines the visibility of a variable
4 types: local, enclosed, global, and built-in

Question 35

return

Answer 35

Send the function’s result back to the caller. Get information out of a function

Question 36

try & except

Answer 36

try creates a code block to execute code that may create an error
execute handles the error in the try code

Question 37

Recursion

Answer 37

Functions that call themselves
Need to make sure it has an exit condition

Question 38

class

Answer 38

an object and defines an objects properties
class Car:
def __init__(self, color) :
self.color = color
__init__ allows the attributes of a class to be initialized for an object
Class attributes and methods are assessed by using self

Question 39

netcat

Answer 39

Tool used to test the connection (socket)