Do these numbers add up?: Difference between revisions
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== What is this problem set trying to do == | == What is this problem set trying to do == | ||
In this example we are learning about [[lists]], [[iteration]], and [[conditionals]]. | |||
== The Problem == | == The Problem == | ||
I found this problem on Daily Coding Problem, a site you should sign up for so you can practice your problem sets<ref>https://www.dailycodingproblem.com/</ref> | |||
Given a list of numbers and a number k, return whether any two numbers from the list add up to k. | Given a list of numbers and a number k, return whether any two numbers from the list add up to k. | ||
For example, given <syntaxhighlight lang="python" inline>[10, 15, 3, 7]</syntaxhighlight> and k of 17, return true since 10 + 7 is 17. | For example, given <syntaxhighlight lang="python" inline>[10, 15, 3, 7]</syntaxhighlight> and <syntaxhighlight lang="python" inline>k</syntaxhighlight> of <syntaxhighlight lang="python" inline>17</syntaxhighlight>, return <syntaxhighlight lang="python" inline>true</syntaxhighlight> since <syntaxhighlight lang="python" inline>10 + 7 is 17</syntaxhighlight>. | ||
== Hacker edition == | == Hacker edition == | ||
| Line 60: | Line 61: | ||
<syntaxhighlight lang="python" > | <syntaxhighlight lang="python" > | ||
#Filip | |||
list = [10, 15, 3, 7] | |||
k = 22 | |||
def add_up(list, k): | |||
fit = False | |||
for a in list: | |||
for x in range(len(list)): | |||
if a+list[x] == k: | |||
fit = True | |||
return fit | |||
print(add_up(list, k)) | |||
</syntaxhighlight> | </syntaxhighlight> | ||
Latest revision as of 11:52, 18 February 2020
This a problem set for you to work through [1]
This is a problem set. Some of these are easy, others are far more difficult. The purpose of these problems sets are:
- to build your skill applying computational thinking to a problem
- to assess your knowledge and skills of different programming practices
What is this problem set trying to do[edit]
In this example we are learning about lists, iteration, and conditionals.
The Problem[edit]
I found this problem on Daily Coding Problem, a site you should sign up for so you can practice your problem sets[2]
Given a list of numbers and a number k, return whether any two numbers from the list add up to k.
For example, given [10, 15, 3, 7] and k of 17, return true since 10 + 7 is 17.
Hacker edition[edit]
In the hacker version:
Can you do this in one pass?
How you will be assessed[edit]
Your solution will be graded using the following axis:
Scope
- To what extent does your code implement the features required by our specification?
- To what extent is there evidence of effort?
Correctness
- To what extent did your code meet specifications?
- To what extent did your code meet unit tests?
- To what extent is your code free of bugs?
Design
- To what extent is your code written well (i.e. clearly, efficiently, elegantly, and/or logically)?
- To what extent is your code eliminating repetition?
- To what extent is your code using functions appropriately?
Style
- To what extent is your code readable?
- To what extent is your code commented?
- To what extent are your variables well named?
- To what extent do you adhere to style guide?
References[edit]
A possible solution[edit]
Click the expand link to see one possible solution, but NOT before you have tried and failed!
#Filip
list = [10, 15, 3, 7]
k = 22
def add_up(list, k):
fit = False
for a in list:
for x in range(len(list)):
if a+list[x] == k:
fit = True
return fit
print(add_up(list, k))