[Tutor] Python

2017-11-30 Thread Jeroen van de Ven 
Hello,
Can you build these 4 programms for me?
1:
Input: 5 7 (rows and colloms)
Output:
***
***
***
***
***

2:
Move all of the letters 23 places to the right. All capital letters.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (boodschap)
X Y Z A B C D E F G H I J K L M N O P Q R S T U V W (code)

N=23

Example
Input:   COMPUTER
Output: ZLJMRQBO

3: Bitcoin:
Make as much as possible money.
-You start with no bitcoin.
-You stop with no bitcoinJ
-Never have more then 1 bitcoin at a time.
-You can sell and buy a bitcoin whenever you want to.
First input = N, the amount of days. Then the input is the course of the
bitcoin of every day.
Output is 1 line with maximum of profit. It can be 0.
Example:
Input: 10 5 11 4 2 8 10 7 4 3 6
Output: 17

Kind Regards Jeroen van de Ven (beginner)
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[Tutor] Counting iterations of a function

2017-11-30 Thread Michael Dowell 
Hello, I'm trying to code a magic 8-ball program and it needs to include a
counter for the number of questions asked. I'm having a hard time
implementing a count, and need a little help. I had tried to implement it
in the main() function, but that (naturally) led it to only counting '1'
for each question, for each question asked. Is there a way to count how
many times a give line of code is executed? For instance, every time the
oracle() function is run, a counter goes up. Thanks for any help.

Program:


#Michael Dowell
#11-26-27
#Capstone: Magic 8-ball

#import modules
import random
import turtle


#Give welcome message
def print1():

print("Hello!")
print("Thank you for using this Magic 8-Ball Simulator.")
print("We understand that you have a choice in magic 8-ball
experiences,\n and that you have no choice in viewing mine.")
print("Thank you")

#Define main function

def main():
#Set local variables
count=0  #Tried to intergrate count into main() function
query=''

#Get question
query=str(input("Please type in your question(press 'Enter' to exit):"))

while query!='':
oracle()
main()
break

#Determine fate (the error "Variable 'fate' is not defined" was quite
existential)
def oracle():

fateList=["It is certain","It is decidedly so","Without a doubt","Yes –
definitely","You may rely on it","As I see it, yes","Most likely","Outlook
is good","Yes","Signs point to yes","Reply hazy, try again","Ask again
later","Better not tell you now","Cannot predict now","Concentrate and ask
again","Don’t count on it","My reply is no","My sources say no","Outlook
not so good","Very doubtful"]
fate=fateList[random.randint(0,len(fateList))-1]

#Draw 8 ball/Refresh fate
turtle.pensize(10)
turtle.speed(7)
turtle.hideturtle()
turtle.goto(0,-200)
turtle.fillcolor('black')
turtle.begin_fill()
turtle.circle(250)
turtle.end_fill()
turtle.goto(0,-50)
turtle.fillcolor('blue')
turtle.begin_fill()
turtle.circle(150)
turtle.end_fill()
turtle.fillcolor('white')
turtle.begin_fill()
turtle.pendown()
turtle.goto(130,150)
turtle.goto(-130,150)
turtle.goto(0,-50)
turtle.end_fill()
turtle.penup()
turtle.goto(-75,125)
x=turtle.pos()

#Helvetica is the one true font
turtle.write(fate,font=("Helvetica",12,"normal"))

#call functions
print1()
main()

#exit message

for count in range(20):
print("Thanks for playing!")
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Re: [Tutor] Python

2017-11-30 Thread Zachary Ware 
On Thu, Nov 30, 2017 at 2:20 AM, Jeroen van de Ven
 wrote:
> Hello,
> Can you build these 4 programms for me?

No, we will not do your homework for you.  However, you can show us
the code you've written, describe the problem you're having with it
(including the full text of all error messages), and we can help you
figure out where you've gone wrong.

Regards,
-- 
Zach
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Re: [Tutor] Python

2017-11-30 Thread Mark Lawrence 

On 30/11/17 08:20, Jeroen van de Ven wrote:

Hello,
Can you build these 4 programms for me?


This list doesn't work like that.  We will not write code for you.  You 
make an attempt at the problems, we will then assist.



1:
Input: 5 7 (rows and colloms)
Output:
***
***
***
***
***

2:
Move all of the letters 23 places to the right. All capital letters.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (boodschap)
X Y Z A B C D E F G H I J K L M N O P Q R S T U V W (code)

N=23

Example
Input:   COMPUTER
Output: ZLJMRQBO

3: Bitcoin:
Make as much as possible money.
-You start with no bitcoin.
-You stop with no bitcoinJ
-Never have more then 1 bitcoin at a time.
-You can sell and buy a bitcoin whenever you want to.
First input = N, the amount of days. Then the input is the course of the
bitcoin of every day.
Output is 1 line with maximum of profit. It can be 0.
Example:
Input: 10 5 11 4 2 8 10 7 4 3 6
Output: 17

Kind Regards Jeroen van de Ven (beginner)


--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence

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Re: [Tutor] Python

2017-11-30 Thread Alan Gauld via Tutor 
On 30/11/17 08:20, Jeroen van de Ven wrote:
> Hello,
> Can you build these 4 programms for me?

Nice try.
The answer is yes we can, but no we won't.
You wouldn't learn anything if we did and
this list is here to teach.

That means you need to write the code and
we will offer help and suggestions.

> 1:
> Input: 5 7 (rows and colloms)
> Output:
> ***
> ***
> ***
> ***
> ***

Can you read a line of input and extract 2 numbers?
Can you write a loop that repeats as often as one
of the numbers you read?
Can you write a print statement that outputs as many '*'s as the other
number?
If so, put it together and jobs done.
If not do what you can and show us the result.

> 2:
> Move all of the letters 23 places to the right. All capital letters.
> A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (boodschap)
> X Y Z A B C D E F G H I J K L M N O P Q R S T U V W (code)
> 
> N=23
> 
> Example
> Input:   COMPUTER
> Output: ZLJMRQBO

Read a number.
Shift the letters - this is probably easiest with slicing
and a wee bit of slightly tricky arithmetic
Read the input word
Now use the two lists of letters to map each letter (hint Python has
some string functions that do precisely this.)


> 3: Bitcoin:
> Make as much as possible money.
> -You start with no bitcoin.
> -You stop with no bitcoinJ
> -Never have more then 1 bitcoin at a time.
> -You can sell and buy a bitcoin whenever you want to.
> First input = N, the amount of days. Then the input is the course of the
> bitcoin of every day.
> Output is 1 line with maximum of profit. It can be 0.
> Example:
> Input: 10 5 11 4 2 8 10 7 4 3 6
> Output: 17

Sorry, I know zilch about bitcoin, so don't even understand
the question.

> 
-- 
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
Follow my photo-blog on Flickr at:
http://www.flickr.com/photos/alangauldphotos


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Re: [Tutor] Counting iterations of a function

2017-11-30 Thread Neil Cerutti 
On 2017-11-30, Michael Dowell  wrote:
> Hello, I'm trying to code a magic 8-ball program and it needs
> to include a counter for the number of questions asked. I'm
> having a hard time implementing a count, and need a little
> help. I had tried to implement it in the main() function, but
> that (naturally) led it to only counting '1' for each question,
> for each question asked. Is there a way to count how many times
> a give line of code is executed? For instance, every time the
> oracle() function is run, a counter goes up. Thanks for any
> help.
>
> Program:
> #import modules
> import random
> import turtle
>
>
> #Give welcome message
> def print1():
>
> print("Hello!")
> print("Thank you for using this Magic 8-Ball Simulator.")
> print("We understand that you have a choice in magic 8-ball
> experiences,\n and that you have no choice in viewing mine.")
> print("Thank you")
>
> #Define main function
>
> def main():
> #Set local variables
> count=0  #Tried to intergrate count into main() function
> query=''
>
> #Get question
> query=str(input("Please type in your question(press 'Enter' to exit):"))
>
> while query!='':
> oracle()
> main()
> break

You are combining a while loop and a recursive call to main in a
redundant way. A while loop without the complication of the
function calling itself makes things easier. By the way, input
returns a string, so you don't need to call "str" on it.

query = input("Please type in your question(press 'Enter' to exit):")
while query!='':
oracle()
count += 1
query = input("Please type in your question(press 'Enter' to exit):"))

When the while loop is finally complete, count will be the number
of times oracle has run. In current Python, pushing the query
into a separate function is a good way to eliminate the verbatim
repetition of code.

def get_query():
return input("Please type in your question(press 'Enter' to exit):")

In main:

query = get_query()
while query!='':
oracle()
count += 1
query = get_query()

You can generalize function-call counting by writing a function
decorator that counts the number of times its function has run,
and then decorate oracle with it, but that pie is higher in the
sky than needed here.

-- 
Neil Cerutti

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Re: [Tutor] Counting iterations of a function

2017-11-30 Thread Bob Gailer 
On Nov 30, 2017 12:56 PM, "Michael Dowell" 
wrote:
>
> Hello, I'm trying to code a magic 8-ball program and it needs to include a
> counter for the number of questions asked. I'm having a hard time
> implementing a count, and need a little help. I had tried to implement it
> in the main() function, but that (naturally) led it to only counting '1'
> for each question, for each question asked. Is there a way to count how
> many times a give line of code is executed? For instance, every time the
> oracle() function is run, a counter goes up. Thanks for any help.
>
> Program:
>
>
> #Michael Dowell
> #11-26-27
> #Capstone: Magic 8-ball
>
> #import modules
> import random
> import turtle
>
>
> #Give welcome message
> def print1():
>
> print("Hello!")
> print("Thank you for using this Magic 8-Ball Simulator.")
> print("We understand that you have a choice in magic 8-ball
> experiences,\n and that you have no choice in viewing mine.")
> print("Thank you")
>
> #Define main function
>
> def main():
> #Set local variables
> count=0  #Tried to intergrate count into main() function
> query=''
>
> #Get question
> query=str(input("Please type in your question(press 'Enter' to
exit):"))
>
> while query!='':
> oracle()
> main()
Your problem is here. Instead of calling main recursively you should move
the while to the top of the main function preceded by assigning something
to query. Also get rid of the break statement
> break

>
> #Determine fate (the error "Variable 'fate' is not defined" was quite
> existential)
> def oracle():
>
> fateList=["It is certain","It is decidedly so","Without a doubt","Yes
–
> definitely","You may rely on it","As I see it, yes","Most likely","Outlook
> is good","Yes","Signs point to yes","Reply hazy, try again","Ask again
> later","Better not tell you now","Cannot predict now","Concentrate and ask
> again","Don’t count on it","My reply is no","My sources say no","Outlook
> not so good","Very doubtful"]
> fate=fateList[random.randint(0,len(fateList))-1]
>
> #Draw 8 ball/Refresh fate
> turtle.pensize(10)
> turtle.speed(7)
> turtle.hideturtle()
> turtle.goto(0,-200)
> turtle.fillcolor('black')
> turtle.begin_fill()
> turtle.circle(250)
> turtle.end_fill()
> turtle.goto(0,-50)
> turtle.fillcolor('blue')
> turtle.begin_fill()
> turtle.circle(150)
> turtle.end_fill()
> turtle.fillcolor('white')
> turtle.begin_fill()
> turtle.pendown()
> turtle.goto(130,150)
> turtle.goto(-130,150)
> turtle.goto(0,-50)
> turtle.end_fill()
> turtle.penup()
> turtle.goto(-75,125)
> x=turtle.pos()
>
> #Helvetica is the one true font
> turtle.write(fate,font=("Helvetica",12,"normal"))
>
> #call functions
> print1()
> main()
>
> #exit message
>
> for count in range(20):
> print("Thanks for playing!")
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[Tutor] problem with a sub-class

2017-11-30 Thread Shall, Sydney 

I am almost a beginner.
I have an error message which I cannot understand.
My problem is with constructing a sub-class.

I use;
MAC OS V10.13.1
Anaconda Python 3.5

My base Class works properly and all 136 tests of the Base Class are 
correct.


My sub-class is constructed as follows:

import sys
import random
import numpy as np
import pylab
import copy
import Population_InitV8 as POCI
import Population_ProductivityV24 as POCWP

line 27 : class SimulateCycleZero(POCWP):
line 28 : def __init__(self, dirname_p):

The program follows on from this.

The error message is as follows:


  File 
"/Users/sydney/AnacondaProjects/Capital/Capital_with_productivity/Current_Versions/Simulate_Cycle_Zero_V3.py", 
line 27, in 

class SimulateCycleZero(POCWP):

TypeError: module.__init__() takes at most 2 arguments (3 given)


My problem is that I do not understand to which file the word 'module' 
in the error message applies.


It seems to me that somewhere I am providing 3 arguments when only a 
maximum of two are required.


When I do the following, I get the same error message.

line 27 : class SimulateCycleZero(POCWP):
line 28 : def __init__(self):

I would appreciate some guidance , please.

Sydney
_

Professor Sydney Shall
Department of Haematology/Oncology
Phone: +(0)2078489200
E-Mail: sydney.shall
[Correspondents outside the College should add @kcl.ac.uk]
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[Tutor] problem with sub-classing

2017-11-30 Thread Sydney282003 via Tutor 

I am almost a beginner.
I have an error message which I cannot understand.
My problem is with constructing a sub-class.

I use;
MAC OS V10.13.1
Anaconda Python 3.5

My base Class works properly and all 136 tests of the Base Class are 
correct.


My sub-class is constructed as follows:

import sys
import random
import numpy as np
import pylab
import copy
import Population_InitV8 as POCI
import Population_ProductivityV24 as POCWP

My program starts thus:

line 27 : class SimulateCycleZero(POCWP):
line 28 : def __init__(self, dirname_p):

The program follows on from this.

The error message is as follows:


  File 
"/Users/sydney/AnacondaProjects/Capital/Capital_with_productivity/Current_Versions/Simulate_Cycle_Zero_V3.py", 
line 27, in 

    class SimulateCycleZero(POCWP):

TypeError: module.__init__() takes at most 2 arguments (3 given)


My problem is that I do not understand to which file the word 'module' 
in the error message applies.


It seems to me that somewhere I am providing 3 arguments when only a 
maximum of two are required.


When I do the following, I get the same error message.

line 27 : class SimulateCycleZero(POCWP):
line 28 : def __init__(self):

I would appreciate some guidance , please.

Sydney





--
Sydney282003

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Re: [Tutor] problem with a sub-class

2017-11-30 Thread Alan Gauld via Tutor 
On 30/11/17 15:37, Shall, Sydney wrote:

> My problem is with constructing a sub-class.
> 
> My sub-class is constructed as follows:
> 
> import Population_ProductivityV24 as POCWP

Note that POCWP is an alias for the *module* Population_ProductivityV24.
It is not a class.

> line 27 : class SimulateCycleZero(POCWP):

Here you define a class that subclasses your imported module.
Frankly I'm surprised that you don't get an error there
but hey...

> line 28 : def __init__(self, dirname_p):

But this is now an init for a subclass of module.

> The error message is as follows:
> 
>File 
> "/Users/sydney/AnacondaProjects/Capital/Capital_with_productivity/Current_Versions/Simulate_Cycle_Zero_V3.py",
>  
> line 27, in 
>  class SimulateCycleZero(POCWP):
> 
> TypeError: module.__init__() takes at most 2 arguments (3 given)

So I'm guessing the use of a module to subclass
has confused things and I confess I'm not clear on
exactly what is going on and why you get this message.
But I'm pretty sure you don;t want to subclass your
imported module and thats the mistake.


-- 
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
Follow my photo-blog on Flickr at:
http://www.flickr.com/photos/alangauldphotos


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