Search for tag: "accumulator"

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Lesson 29.3 Generators Revisited duration 9 minutes 46 seconds Lesson 29.3 Generators Revisited Lesson 29.3 Generators Revisited	Lesson 29.3 Generators Revisited In the previous video, we said that generators are a type of coroutine. In this video, we explore this idea. We use yield statements to write generators that are a little more sophisticated than… word progress parent loop accumulator dictionary count function generator copies text routine return loader yield screen files wordcount words generators From Hannah Lee 64 plays
Lesson 28.9 Dictionary Comprehension (OPTIONAL) duration 6 minutes 43 seconds Lesson 28.9 Dictionary Comprehension (OPTIONAL) Lesson 28.9 Dictionary Comprehension (OPTIONAL)	Lesson 28.9 Dictionary Comprehension (OPTIONAL) This video is not optional because the material is advanced. It is optional because this video series has run long and this topic is less important for you to know. While we have not talked about… dictionary comprehension things grades generator string python key method bonus pattern accumulator expression keys iterable incomprehension lot disadvantages student students From Hannah Lee 28 plays
Lesson28.8 List Comprehension (OPTIONAL) duration 7 minutes 28 seconds Lesson28.8 List Comprehension (OPTIONAL) Lesson28.8 List Comprehension (OPTIONAL)	Lesson28.8 List Comprehension (OPTIONAL) This video is not optional because the material is advanced. It is optional because this video series has run long and this topic is less important for you to know. When we are done with out… comprehension expression generator things loop thing element function materialization tuple question rows table transpose elements idea accumulator lists loops columns From Hannah Lee 26 plays
Lesson 28.6 map and filter duration 7 minutes 17 seconds Lesson 28.6 map and filter Lesson 28.6 map and filter	Lesson 28.6 map and filter In this video we talk about two very famous generators: map and filter. We show how to use these to replace writing code with a for-loop. function accumulator filter loop generator functions elements element pattern result arguments thing piece parameter question things lot object call tutor From Hannah Lee 51 plays
Lesson 28.5 Generator Design duration 9 minutes 0 seconds Lesson 28.5 Generator Design Lesson 28.5 Generator Design	Lesson 28.5 Generator Design Now that we know how generators work, it is time to write our own. In this video we show how easy it is. We just take out experience with the accumulator pattern and replace the accumulator with a… accumulator generator function average input numbers yield element tuple loop idea parameter specification object generators statement answer elements practice pattern From Hannah Lee 58 plays
Lesson 26.5 While-Loops vs For-Loops duration 6 minutes 5 seconds Lesson 26.5 While-Loops vs For-Loops Lesson 26.5 While-Loops vs For-Loops	Lesson 26.5 While-Loops vs For-Loops We can always replace for-loops with while-loops, but should we? In this video we talk about the trade-offs of the two control structures and why it might be better to use over the other. loop fibonacci loops sequence squares variable function range thing bugs module n. things python iterator specification accumulator elements calculation recursion From Hannah Lee 78 plays
Lesson 26.3 While-Loop Ranges duration 6 minutes 18 seconds Lesson 26.3 While-Loop Ranges Lesson 26.3 While-Loop Ranges	Lesson 26.3 While-Loop Ranges While-loops require additional patterns beyond the simple accumulator pattern that we used in for-loops. In this video, we talk about the first such pattern, which is replacing the range iterator.… loop range iterator pattern accumulator function slash count sequence loops length positions variable string lot patterns n. inequality fact thing From Hannah Lee 79 plays
Lesson 26.2 While-Loop Traces duration 8 minutes 46 seconds Lesson 26.2 While-Loop Traces Lesson 26.2 While-Loop Traces	Lesson 26.2 While-Loop Traces While-loops can do everything that a for-loop can (and more) but they are much harder to use. That is why, in this video, we talk about how to debug a while-loop before we talk about how to write… loop loops accumulator function things tutor squares trace python sum flow x. variable body numbers lot control debugging statements print From Hannah Lee 86 plays
Zoom Oct. 27. Nested Lists and Dictionaries duration 50 minutes 32 seconds Zoom Oct. 27. Nested Lists and Dictionaries Zoom Oct. 27. Nested Lists and Dictionaries	Zoom Oct. 27. Nested Lists and Dictionaries This presentation explores the last built-in (as opposed to user-defined) types in this course. These types are often used to store data in files.We actually had an (accidental) sneak peak at these… row dictionary question dictionaries table thing elements function loops loop things copy questions exam length element alright call level accumulator From Hannah Lee 36 plays
Lesson 19.6 Immutable Dictionary Functions duration 4 minutes 43 seconds Lesson 19.6 Immutable Dictionary Functions Lesson 19.6 Immutable Dictionary Functions	Lesson 19.6 Immutable Dictionary Functions Since we can loop over dictionaries, that means we probably want to use them in functions with accumulators. In this video we show how to do this and why they are not that much different from lists. grade accumulator dictionary exam function cutoff person maximum grades net ids functions dictionaries keys loop thing result ideas key frame From Hannah Lee 72 plays
Lesson 18.5 Immutable Table Functions duration 8 minutes 49 seconds Lesson 18.5 Immutable Table Functions Lesson 18.5 Immutable Table Functions	Lesson 18.5 Immutable Table Functions In this video we show how to write an immutable function on a table of data. In most ways this is no different than writing an immutable function on a list. Except that this time we may need multiple… table row loop rows accumulator columns column loops result function elements functions lists accumulators positions length thing string copy rho From Hannah Lee 79 plays
Zoom Oct. 15. For-Loops duration 50 minutes 56 seconds Zoom Oct. 15. For-Loops Zoom Oct. 15. For-Loops	Zoom Oct. 15. For-Loops In this session, we review the for-loop, which is the next control structure. This is the last control structure we will need for a while.For-loops are pretty easy to use in Python, and most students… alright loop exam accumulator thing positions test break position answer call lot problem elements videos question length tuple average tests From Hannah Lee 24 plays
Lesson 17.6 Divide and Conquer Visualization duration 7 minutes 47 seconds Lesson 17.6 Divide and Conquer Visualization Lesson 17.6 Divide and Conquer Visualization	Lesson 17.6 Divide and Conquer Visualization Just because you know how to write a divide-and-conquer algorithm does not mean you understand it. In this video we try to improve our understanding by visualizing divide-and-conquer. When we do this… call accumulator left step answer string loop recursion space steps character answers function variable return element optimization pieces parts stack From Hannah Lee 154 plays
Lesson 16.8 Tuple Expansion (OPTIONAL) duration 7 minutes 12 seconds Lesson 16.8 Tuple Expansion (OPTIONAL) Lesson 16.8 Tuple Expansion (OPTIONAL)	Lesson 16.8 Tuple Expansion (OPTIONAL) This video introduces an advanced topic that is completely optional and will not appear on any exam. You might have noticed that some functions, like max can take an arbitrary number of arguments. In… tuple function star arguments operator call maximum max definition numbers answer parameters scripts test lot accumulator loop expression python input From Hannah Lee 54 plays
Lesson 16.6 Mutable For-Loops duration 6 minutes 50 seconds Lesson 16.6 Mutable For-Loops Lesson 16.6 Mutable For-Loops	Lesson 16.6 Mutable For-Loops Lists are mutables and support mutable functions. Many of these mutable functions contain for-loops. As we show in this video, this changes how we write the for-loop. In particular, we will not use… loop function position folder positions element accumulator copy range tutor lists increment problem frame call x. fact numbers argument problems From Hannah Lee 77 plays
Lesson 16.5 Positional For-Loops duration 8 minutes 26 seconds Lesson 16.5 Positional For-Loops Lesson 16.5 Positional For-Loops	Lesson 16.5 Positional For-Loops Sometimes we need to perform a calculation on a string, list, or tuple, but we do not want to loop over this value. Instead, we want to loop over the positions of the value. In this video we show why… position string accumulator character range things positions characters strings partition sequence method loop accumulators function length s. thing pause module From Hannah Lee 90 plays