Programming Forums > Script Programming > Python

thechristelegacy · Apr 13th, 2005, 10:06 PM

I like IR's idea of fucntions for writing data. You could write some functions to write the data of your power program you are creating.

SaturN · Apr 13th, 2005, 10:06 PM

ohh i get it, so it must be

(Toggle Plain Text)

print 2**x

that makes 2 my constant
and the sums of it look right now..

Sane · Apr 13th, 2005, 10:08 PM

Congrats.

Well from what I can tell your knowledge of Python's commands looks standard, but you just need a bit more exercise in the thinking process of programming. See what you can do with the Primes. I'll be on drsane_@hotmail.com if you wish for help.

Edit: Actually...it's past 11. I better be going to bed. I'll still be willing to help, I just need some sleep. Later.

SaturN · Apr 13th, 2005, 10:19 PM

Prime Numbers is;

(Toggle Plain Text)

number = input("> ")
dif = number % 2

if dif != 0 :
    print number, "Is a prime"
if dif == 0 :
    print number, "is not a prime"

is that right, or am i barking up the wrong tree again, lol.
thanks for you help Sane

thechristelegacy · Apr 13th, 2005, 10:24 PM

Speaking of writing to a disk, I just wrote a small script recently to get catorgize my collection of mp3s since they're scattered all thoughout differnt folders. If you decide to to any IO functions, this is a good example of a practical program.

(Toggle Plain Text)

import os
x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Music")
thing = open("music.txt","w")
for y in x:
    print y
    thing.write(y+"\n")
thing.close()

x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random")
thing = open("music.txt","a")
for y in x:
    print y
    thing.write(y+"\n")
thing.close()

x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random/k")
thing = open("music.txt","a")
for y in x:
    print y
    thing.write(y+"\n")
thing.close()

x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random/k/k")
thing = open("music.txt","a")
for y in x:
    print y
    thing.write(y+"\n")
thing.close()

And also SaturN, the only problem with your prime program is it doesn't test for primes, it only test to see if a program is even or odd, but you're on the right track. Each number is only prime if it isn't divisible by any number less than it.

SaturN · Apr 13th, 2005, 10:36 PM

I see your point..

I never was good at math.. lol

thechristelegacy · Apr 13th, 2005, 11:00 PM

Hey it's all good man. I'm not that smart when it comes to math either.

Sane · Apr 14th, 2005, 6:18 AM

I'm one of those mathy guys, so I help people with math. ^_^

A little nudge on the right tracK:

Primes are only equally divisble by one and itself.
if x%x==0
if x%1==0 (the 0 and 1 could be represented by constant variables)
And all other numbers in between are not.
if x%x-1!=0
if x%x-2!=0
etc...
if x%2!=0 (the (x-1), (x-2), are therefore dependents on the variable x)

It wouldn't be a good idea to do x-1 for the dependents though, there are many reasons why that could create a poorly consistent program. There's a very reasonable and efficient way that I'll see if you can think up by yourself. =P

Apr 13th, 2005, 10:06 PM	#12
SaturN Programmer Join Date: Apr 2005 Location: Uk Posts: 68 Rep Power: 4	ohh i get it, so it must be (Toggle Plain Text) print 2x print 2x that makes 2 my constant and the sums of it look right now..

Apr 13th, 2005, 10:08 PM	#13
Sane Programming Guru Join Date: Apr 2005 Posts: 1,799 Rep Power: 5	Congrats. Well from what I can tell your knowledge of Python's commands looks standard, but you just need a bit more exercise in the thinking process of programming. See what you can do with the Primes. I'll be on drsane_@hotmail.com if you wish for help. Edit: Actually...it's past 11. I better be going to bed. I'll still be willing to help, I just need some sleep. Later. Last edited by Sane; Apr 13th, 2005 at 10:14 PM.

Apr 13th, 2005, 10:19 PM	#14
SaturN Programmer Join Date: Apr 2005 Location: Uk Posts: 68 Rep Power: 4	Prime Numbers is; (Toggle Plain Text) number = input("> ") dif = number % 2 if dif != 0 : print number, "Is a prime" if dif == 0 : print number, "is not a prime" number = input("> ") dif = number % 2 if dif != 0 : print number, "Is a prime" if dif == 0 : print number, "is not a prime" is that right, or am i barking up the wrong tree again, lol. thanks for you help Sane

Apr 13th, 2005, 10:24 PM	#15
thechristelegacy Expert Programmer Join Date: Jul 2004 Location: Somerset, Pa Posts: 707 Rep Power: 4	Speaking of writing to a disk, I just wrote a small script recently to get catorgize my collection of mp3s since they're scattered all thoughout differnt folders. If you decide to to any IO functions, this is a good example of a practical program. (Toggle Plain Text) import os x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Music") thing = open("music.txt","w") for y in x: print y thing.write(y+"\n") thing.close() x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random") thing = open("music.txt","a") for y in x: print y thing.write(y+"\n") thing.close() x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random/k") thing = open("music.txt","a") for y in x: print y thing.write(y+"\n") thing.close() x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random/k/k") thing = open("music.txt","a") for y in x: print y thing.write(y+"\n") thing.close() import os x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Music") thing = open("music.txt","w") for y in x: print y thing.write(y+"\n") thing.close() x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random") thing = open("music.txt","a") for y in x: print y thing.write(y+"\n") thing.close() x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random/k") thing = open("music.txt","a") for y in x: print y thing.write(y+"\n") thing.close() x = os.listdir("c:/Documents and Settings/Frazier PH&A/Desktop/Anthony's Files/Random/k/k") thing = open("music.txt","a") for y in x: print y thing.write(y+"\n") thing.close() And also SaturN, the only problem with your prime program is it doesn't test for primes, it only test to see if a program is even or odd, but you're on the right track. Each number is only prime if it isn't divisible by any number less than it. Last edited by thechristelegacy; Apr 13th, 2005 at 10:58 PM.

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Apr 13th, 2005, 10:36 PM	#16
SaturN Programmer Join Date: Apr 2005 Location: Uk Posts: 68 Rep Power: 4	I see your point.. I never was good at math.. lol

Apr 13th, 2005, 11:00 PM	#17
thechristelegacy Expert Programmer Join Date: Jul 2004 Location: Somerset, Pa Posts: 707 Rep Power: 4	Hey it's all good man. I'm not that smart when it comes to math either.

Apr 14th, 2005, 6:18 AM	#18
Sane Programming Guru Join Date: Apr 2005 Posts: 1,799 Rep Power: 5	I'm one of those mathy guys, so I help people with math. ^_^ A little nudge on the right tracK: Primes are only equally divisble by one and itself. if x%x==0 if x%1==0 (the 0 and 1 could be represented by constant variables) And all other numbers in between are not. if x%x-1!=0 if x%x-2!=0 etc... if x%2!=0 (the (x-1), (x-2), are therefore dependents on the variable x) It wouldn't be a good idea to do x-1 for the dependents though, there are many reasons why that could create a poorly consistent program. There's a very reasonable and efficient way that I'll see if you can think up by yourself. =P

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Programming Forums > Script Programming > Python

Anyone got a small project idea??