Notes in Python - Common Stuff

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Status	Last Update	Fields
Published	05/03/2024	Find 1st item in list
Published	05/03/2024	Find last letter in object.s ='the dogs are cute'
Published	05/03/2024	object['label'][0]
Published	05/03/2024	frozen binary
Published	05/03/2024	print each letter backwardss = "murder"
Published	05/03/2024	zip()
Published	05/03/2024	lambda
Published	05/03/2024	Get value of 'pants.'d = {'pants': 'cords', 'shoes': 'black', 'socks': 'black'}
Published	05/03/2024	import SomeModule
Published	05/03/2024	import SomeModule as sm
Published	05/03/2024	from SomeModule import SomeName
Published	05/03/2024	from SomeModule import *
Published	05/03/2024	get a list of a methods for an object d = dict()
Published	05/03/2024	L.pop(2)
Published	05/03/2024	Add object at the end of listL = ['NI','NI']
Published	05/03/2024	L.insert(3, 2009)
Published	05/03/2024	doubles = [l * 2 for l in 'spam']
Published	05/03/2024	Class vs. Object
Published	05/03/2024	M = L
Published	05/03/2024	check if two objects are the same
Published	05/03/2024	L is M
Published	05/03/2024	Get every other item, starting with 2nd itemfoo = range(100,151)
Published	05/03/2024	Return the integer ordinal of a one-character strings = 's'
Published	05/03/2024	Convert ASCII integer code to the corresponding character.code = 97
Published	05/03/2024	enumerate & printcolors = ['blue', 'red', 'green']
Published	05/03/2024	a = 5b = 4a  += b
Published	05/03/2024	Add one to valuea = 5
Published	05/03/2024	PVM
Published	05/03/2024	IronPython
Published	05/03/2024	setup simple plotting
Published	05/03/2024	ipython notebook
Published	05/03/2024	Find out about namespace
Published	05/03/2024	who
Published	05/03/2024	reset
Published	05/03/2024	del <variable_name>
Published	05/03/2024	Create l which is a list of s = 'spam'
Published	05/03/2024	find square root of 4show 2 ways
Published	05/03/2024	square the number 4
Published	05/03/2024	pow(3, 3)
Published	05/03/2024	A = "spam"B = AB = "shrubbery"What does A equal?
Published	05/03/2024	A = ["spam"]B = AB[0] = "shrubbery"What is the value of A?
Published	05/03/2024	Are methods type specifc?Give example
Published	05/03/2024	Are expressions type specific?Give an example.
Published	05/03/2024	s = "s,pa,m"Extract two middle characters.Name 2 ways.
Published	05/03/2024	Build a list containing 5 zeros.Name 2 ways.
Published	05/03/2024	Build a dictionary with keys 'a' and 'b' both with values 0.Name 2 ways
Published	05/03/2024	Change t = (4, 5, 6) to t = (7, 5, 6)t = (4, 5, 6)
Published	05/03/2024	What is the default for processing mode for file open call?
Published	05/03/2024	Assign three variables (a,b,c) the same value (0).
Published	05/03/2024	Creat a loop that prints 1-3 then s = 'Done with loop. Ran successfully'
Published	05/03/2024	my_numbers = range(1,3)if not 3 in my_numbers:   print('Missing')
Published	05/03/2024	if not L:   print('hi')
Published	05/03/2024	list('34')
Published	05/03/2024	l =  ['spam', 'toast', 'eggs', 'ham']remove 'eggs'
Published	05/03/2024	L.pop()vs.L.pop(1)
Published	05/03/2024	delete 1st iteml = [1, 2, 3, 4]
Published	05/03/2024	put into d dictkeyslist = ['shoes', 'socks', 'pants']valslist = ['black', 'black', 'cords']
Published	05/03/2024	return list of keysd = {'spam': 2, 'eggs': 3}
Published	05/03/2024	How to write a multiline comment.
Published	05/03/2024	remove 'cheddar' fromcheeses = ['bire', 'cheddar', 'white', 'yellow','dubliner']
Published	05/03/2024	change working directory
Published	05/03/2024	Interate through sentence backwardss = "the dogs are cute"
Published	05/03/2024	Get a squence of numbers of: 1, 3, 5, 7, 9
Published	05/03/2024	Convert integer to hexadecimal1010
Published	05/03/2024	Find sum of 2nd column of MM = [[1, 2, 3], [4, 5, 6],[7, 8, 9]]
Published	05/03/2024	Decrement by 1.a = 8
Published	05/03/2024	Split on tab
Published	05/03/2024	POPO
Published	05/03/2024	Create a Worker class that takes name and pay
Published	05/03/2024	Unicode String
Published	05/03/2024	clear IDE (without keyboard shortcut)
Published	05/03/2024	Tuples are ...
Published	05/03/2024	print "True is not False" with string formatting for boolean
Published	05/03/2024	import at ____ level
Published	05/03/2024	Find last word in object.s ='the dogs are cute'
Published	05/03/2024	start ipython notebook
Published	05/03/2024	Python pass objects as arguments to a function as "pass by _____"
Published	05/03/2024	True or False: Python can update objects in function without explicitaly returning object
Published	05/03/2024	get a list all members of namespace (too much information)
Published	05/03/2024	Name 4 types of collections
Published	05/03/2024	list
Published	05/03/2024	tuple
Published	05/03/2024	dict
Published	05/03/2024	set
Published	05/03/2024	get colored help in python for str.center
Published	05/03/2024	add to last object used1+2
Published	05/03/2024	supress output in python10+12
Published	05/03/2024	multiple line print statement with variables.name = 'Brian'age = 34
Published	05/03/2024	print floating point numbers with formatMy house is ...distance = 1.643time = 10234.5
Published	05/03/2024	print x if x is greater than y as a one-linerx = 2y = 1
Published	05/03/2024	pep 8
Published	05/03/2024	add to end of file to automatically run function main()
Published	05/03/2024	get boolean value of ''
Published	05/03/2024	What does `break` do?
Published	05/03/2024	What does `continue` do?
Published	05/03/2024	What does Loop `else` block do?
Published	05/03/2024	What is the difference between list.append() and list.extend()?
Published	05/03/2024	What is the difference between list.pop() and list.remove()?
Published	05/03/2024	What does del do?
Published	05/03/2024	reverse list using sort methoda = [1,2,3]
Published	05/03/2024	create a file object
Published	05/03/2024	create file handling block
Published	05/03/2024	best way to handle file objects
Published	05/03/2024	How does Python work?
Published	05/03/2024	turn on interactive help
Published	05/03/2024	Get list of keywords
Published	05/03/2024	Check if bool is a subclass of int
Published	05/03/2024	replace : with bybook_info = 'The Three Musketeers: Aexandre Dumas'
Published	05/03/2024	Combine into a comma separated listresult_list = ['True', 'False', 'File not found']
Published	05/03/2024	Test for membershipIs 1 a member of 0-10?Is 11 a member of 0-10?
Published	05/03/2024	What is cloning?Give and example
Published	05/03/2024	a = range(10)b = list(a)a is b #=> ?a == b #=> ?
Published	05/03/2024	Cloning creates a ______ copy.
Published	05/03/2024	Create a deep copy of a list.a = range(11)
Published	05/03/2024	The formal name for __init__ is ________.
Published	05/03/2024	In OOP, mutators ___________
Published	05/03/2024	In OOP, accessors _________________.
Published	05/03/2024	Who is in one but not both (use set method)?engineers = {'bob', 'sue', 'ann', 'vic'}managers = {'tom', 'sue'}
Published	05/03/2024	print hi 3 times to stdout
Published	05/03/2024	get current directory via shell command
Published	05/03/2024	slice out:  ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	slice out: ['a', 'b', 'c', 'd', 'e']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	slice out: ['a', 'b', 'c', 'd', 'e', 'f', 'g']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	slice out: ['e', 'f', 'g', 'h']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	slice out: ['f', 'g', 'h']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	slice out: ['c', 'd', 'e']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	slice out: ['c', 'd', 'e', 'f', 'g']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	slice out:  ['c', 'd', 'e', 'f', 'g']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	slice out: ['f', 'g']a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
Published	05/03/2024	some_list[start:end:_____]a[1:10:3]
Published	05/03/2024	Unpacking actually works with any object that happens to be _____, not just tuples or lists.
Published	05/03/2024	What is a way to think about slicing?
Published	05/03/2024	Write a conditional expression to test if a number is odd or evenfor n in range(1, 5):    None # TODO: Write one-liner
Published	05/03/2024	What does CPython do?
Published	05/03/2024	What does byte code look like?
Status	Last Update	Fields