Yep you got it
Just two remarks: do you know you can "print cm_to_inches(1.0)" directly? And why writing ones in the formulas? Why not just "cm=2.54*inch"?
Topic: Programming in Python - page 3. (Read 2734 times)
Working on the functions lesson at the moment, I didn't really understand it at first. I think I've got it now as I tried to write some of my own and it outputs the correct answer. Maybe someone can check that my thinking is right on these functions I wrote.
# converts cm to inches
def cm_to_inches(cm):
inch = 1 / 2.54 * cm
return inch
a1 = cm_to_inches(25.4)
print a1
# convert inches to cm
def inch_to_cm(inch):
cm = 2.54 / 1 * inch
return cm
a2 = inch_to_cm(10)
print a2
# convert 100 to 1 (100 = 1, 500 = 5, 1000 = 10)
def onehundred_to_one(hundred):
one = hundred / 100
return one
a3 = onehundred_to_one(800)
print a3
# convert 1 to 100 (1 = 100, 5 = 500, 10 = 1000)
def one_to_onehundred(one):
hundred = 100 * one
return hundred
a4 = one_to_onehundred(5)
print a4
Quote
# converts cm to inches
def cm_to_inches(cm):
inch = 1 / 2.54 * cm
return inch
a1 = cm_to_inches(25.4)
print a1
# convert inches to cm
def inch_to_cm(inch):
cm = 2.54 / 1 * inch
return cm
a2 = inch_to_cm(10)
print a2
# convert 100 to 1 (100 = 1, 500 = 5, 1000 = 10)
def onehundred_to_one(hundred):
one = hundred / 100
return one
a3 = onehundred_to_one(800)
print a3
# convert 1 to 100 (1 = 100, 5 = 500, 10 = 1000)
def one_to_onehundred(one):
hundred = 100 * one
return hundred
a4 = one_to_onehundred(5)
print a4
New lessons are up.
Python being a Object orientated language is a great start. If you ever do get good enough that you know a lot, then you should also pick up other languages easier too.
Python is a great language, it is a lot quicker to code then any other language out there. It is not too slow compare to C either.
It's very slow compared to C. Sometimes 50 or more times slower. On the other hand, if your whole Python program just does one function call which does some serious number crunching, and that Python function was written in C, then sure, it's not too slow compared to C.
Python speed: http://benchmarksgame.alioth.debian.org/u32/benchmark.php?test=nbody&lang=python3&id=1&data=u32
C speed: http://benchmarksgame.alioth.debian.org/u32/benchmark.php?test=nbody&lang=gcc&id=1&data=u32
Results show C is 50 times faster and uses one tenth the amount of memory.
Do SICP http://mitpress.mit.edu/sicp/
Afterwards you can code in any language, you just need to learn it's syntax which takes a weekend.
Afterwards you can code in any language, you just need to learn it's syntax which takes a weekend.
Incorrect. Oh sure, you're going to learn Lisp, C++, Haskell and Prolog in a weekend just by learning its syntax.
Python is a great language, it is a lot quicker to code then any other language out there. It is not too slow compare to C either.
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Activity: 756
Merit: 500
It's all fun and games until somebody loses an eye
I learned some python a while ago. I found it useful to solve the problems at projecteuler.net using python to experiment with different programming and mathematical techniques.
I took learning a programming language as a hobby and chose python. It has been a great learning experience and really keeps your mind busy.
JackJack has been a great "guidance counselor"
So enjoy your ride...
Still got a lot of learning to do but its "educational entertainment"
JackJack has been a great "guidance counselor"
So enjoy your ride...
Still got a lot of learning to do but its "educational entertainment"
Yeah, if you're looking to do web stuff python probably isn't the most "ideal," BUT python IS a great multi-purpose language. It can be used for so many things, much like C/C++.
Just a reminder that this course has started (week 0). It's pretty straight forward but we can use this thread to assist one another if needed.
Do SICP http://mitpress.mit.edu/sicp/
Afterwards you can code in any language, you just need to learn it's syntax which takes a weekend.
Afterwards you can code in any language, you just need to learn it's syntax which takes a weekend.
Instead of learning python, learn the OOP then you can easily learn any language. I personally think python is a descent web language. I personally like php, and JavaEE for web, and Objective-c for desktop/ios apps.
This is nitpicking, but python is not a "web language". It's multipurpose and one can code desktop programs with it (and wxPython). I did so, some time ago. 
I'm now also registered to an initiation course to C++ but it's in french: https://www.coursera.org/course/intro-cpp-fr
I'm already semi-fluent in C++ but only learnt via source code reading and working on small projects. Maybe it will help me to start from the beginning, then there is a part 2 course for more advanced students.
I'm already semi-fluent in C++ but only learnt via source code reading and working on small projects. Maybe it will help me to start from the beginning, then there is a part 2 course for more advanced students.
Thanks for the offer of assistance.
I'll post this over at /r/bitcoin and see if we can get a small group for the 9th next month.
I'll post this over at /r/bitcoin and see if we can get a small group for the 9th next month.
I don't know if this is the ideal language to learn if I want to develop my Bitcoin ideas, perhaps someone can offer some advice in that regard
I learnt Python and Bitcoin by looking/forking this software: https://github.com/joric/pywallet/I think I'm now pretty good at both
I can help you if you need some help
I'm in! I think python is a good multi-purpose language.
Hey,
I've been wanting to learn to program for a while but I never really bothered as I had no idea of what to build and so my motivation was zero. Because of Bitcoin, I have some simple ideas that I'd like to build so now is as good a time as any to learn how to program. To that end, I thought I would share with others a course on python is starting on October 9th titled "An Introduction to Interactive Programming in Python".
https://www.coursera.org/course/interactivepython
I don't know if this is the ideal language to learn if I want to develop my Bitcoin ideas, perhaps someone can offer some advice in that regard but anyway, I thought I would share the link here and see if anyone else was interested in doing this as a group, perhaps we can collaborate and help each other to learn via the forum or on irc in the #interactivepython channel.
Anyone else interested?
I've been wanting to learn to program for a while but I never really bothered as I had no idea of what to build and so my motivation was zero. Because of Bitcoin, I have some simple ideas that I'd like to build so now is as good a time as any to learn how to program. To that end, I thought I would share with others a course on python is starting on October 9th titled "An Introduction to Interactive Programming in Python".
https://www.coursera.org/course/interactivepython
I don't know if this is the ideal language to learn if I want to develop my Bitcoin ideas, perhaps someone can offer some advice in that regard but anyway, I thought I would share the link here and see if anyone else was interested in doing this as a group, perhaps we can collaborate and help each other to learn via the forum or on irc in the #interactivepython channel.
Anyone else interested?
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