Screech
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 Lawrence
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 retired programmer with no Python experience
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Questions Answered

Screech:
Group Title
I've found that some (but not all) of the lecture videos have become inaccessible. I get this popup Window that says ( "Flash and JavaScrip…
 updated 18 days ago
 3 replies
 No Medals Yet
Mathematics

Screech:
Group Title
In Lecture 11, Prof. Strang rejects the union of U and S and suggests using the "sum". What is the sum of the two vector spaces? Sum isn't…
 updated one month ago
 5 replies
 No Medals Yet
Mathematics

einhan:
Group Title
What exactly is 'epsilon' in Python?
 updated one year ago
 3 replies
 1 Medal
Mathematics

JohnM:
Group Title
@Screech: Continuing from "Having trouble with Classes" post.
Screech: I read your attached car.py. Run works and the coding is excellent. …
 updated one year ago
 18 replies
 2 Medals
Mathematics

JohnM:
Group Title
Week 7  Having trouble with classes
I don't see any questions posted on Classes even though the Gentle Python course has ended. Did others…
 updated one year ago
 15 replies
 No Medals Yet
Mathematics

lh4219:
Group Title
Iam having a problem with Exercise 4.3.2. I can't get the I_shape to print the rectangles am completely clueless. HELP!
BLOCK_SIZE = 30
BL…
 updated one year ago
 10 replies
 1 Medal
Mathematics

Lisa_Kramarenko:
Group Title
Exercise OPT.2 – Secret Messages (Homework 1)
I don't really get the step 3. Why should the values remain in range (0,5)? Or rather why d…
 updated one year ago
 3 replies
 1 Medal
Mathematics

MOOCE:
Group Title
MechMOOC Week 8 / Week 3: How's it going out there? Anybody in the first sequence on target to finish this week? Anybody in the second se…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

jmeloc:
Group Title
I'm stuck on the tetrominoes.
I didn't understand this piece of code 'Shape.__init__(self, coords, "blue")' because it isn't being assign…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

kj1k:
Group Title
Starting Project 2 "Game of Life". I tried running the template and got an error that "Windows" name is undefined. Looked at graphics.py…
 updated one year ago
 7 replies
 2 Medals
Mathematics

MOOCE:
Group Title
The Mystery of the Missing Code: At about minute 20 of lecture 6 in 6.00SC (which is part of the week 5 assignment of the Mechanical MOOC c…
 updated one year ago
 6 replies
 2 Medals
Mathematics

jorge921995:
Group Title
Does anyone know how to turn in the assignments?
 updated one year ago
 5 replies
 3 Medals
Mathematics

JohnM:
Group Title
3.2 – Collision Detection of Balls
Has anyone done this exercise? I've tried searching OpenStudy through Google but nothing pops up. If som…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

mum2my2boys:
Group Title
Working on Codecademy Python Syntax lesson and when I hit 'Run' nothing happens in all but 3/16 sections. I've tried in Firefox and IE but n…
 updated one year ago
 8 replies
 2 Medals
Mathematics

pdh54449:
Group Title
I'm starting to work on the Hangman project and I got the error message: No such file or directory: 'words.txt' Any suggestions
 updated one year ago
 3 replies
 2 Medals
Mathematics

lh4219:
Group Title
how do we give medals
 updated one year ago
 2 replies
 2 Medals
Mathematics

paulhmorin:
Group Title
In the following code, HOW can the "average" function work with no visible input passed to it? How does it know where "stuff" points to? Th…
 updated one year ago
 6 replies
 1 Medal
Mathematics

paulhmorin:
Group Title
I have 3 dictionaries in a program. All 3 have the same structure. The only difference is that the 3 have different dict names. Depending on…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

frankdpnw:
Group Title
Exercise 3.4 people function
I have spent a fair amount of time on trying to get this function to work and now it seems as if it does. It…
 updated one year ago
 4 replies
 3 Medals
Mathematics

Screech:
Group Title
Looking ahead to week 6. Part of the assignment Project 1  Hangman. The writeup references a file hangman.template.py file from the cour…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

hoocke:
Group Title
Help please! I'm stuck with exercise 1.7 and how to decide what the user have written. What´s wrong?
if (player1 != "Rock" or "Paper" …
 updated one year ago
 16 replies
 2 Medals
Mathematics

davidschons:
Group Title
I am getting a 500 error from Code Academy? Is it just me?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

MOOCE:
Group Title
We're coming up on week six of the course, and the MechMOOC crew has been debating what to do about the US Thanksgiving holiday week. For …
 updated one year ago
 23 replies
 6 Medals
Mathematics

Screech:
Group Title
"Complete sections 3.03.5 from Handout 3" Section 3.0 ?? I am assuming this to be a typo since exercises start with 3.1.
 updated one year ago
 4 replies
 1 Medal
Mathematics

andrew.m.higgs:
Group Title
Where's MOOC?
Has anyone received this weeks assignments yet?
…
 updated one year ago
 4 replies
 2 Medals
Mathematics

horowitz.jason:
Group Title
Am very behind  working on the problem set from week 2. Did anyone post an answer to Exercise 1.15  "Buggy Loop." Have not yet found a w…
 updated one year ago
 4 replies
 1 Medal
Mathematics

mmailliw:
Group Title
I have been following along with the MMOOC course but I have tried to do what I can without actually downloading IDLE, compiling my code in …
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

pdpinch:
Group Title
Are list comprehensions in Python worth the effort? They seem like fun brainteasers, but once I write the code down it looks illegible to me…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

susanjrobertson:
Group Title
I've gotten the pig latin question in week 4, but am having problems with the Report Card GPA and the 2nd and 3rd List comprehension  has a…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

susanjrobertson:
Group Title
I'm having a hard time with the final written exercise. I've read about list comprehensions, but something isn't clicking for me. Any help i…
 updated one year ago
 4 replies
 3 Medals
Mathematics
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