Hello! I have a little 'python' problem.
I got stuck while trying to program a simple 'two-numbers-addition-only-calculator'.
Instead of adding the two numbers, the calculator would rather join the two numbers. It treats the inputs as strings rather than as number variables.

For example;
2 + 3 would print out "23" instead of 5.
And
5 + 6 prints out '56' instead of 11.


Here's the script



print "ADDITION ONLY CALCULATOR"

print "type first number here",

first_number = raw_input()

print "type second number here" ,

Second_number = raw_input()

total_combination = first_number + second_number

print "your answer is" , total_combination

Python reads the input as string, cast it to integer first. To convert to int, use

int(first_number)

michaelwilli:
Python reads the input as string, cast it to integer first. To convert to int, use

int(first_number)

Cool. I would do just that when I power on my pc.
Thanks.

LordeCalifornia:
Cool. I would do just that when I power on my pc. Thanks.

to make a much more robust app, put your casting into exceptions.

Olyboy16:

to make a much more robust app, put your casting into exceptions.

Hi! Pardon my ignorance, how exactly can I 'put my casting into exceptions' ?

michaelwilli:
Python reads the input as string, cast it to integer first. To convert to int, use

int(first_number)

Great! It worked out just fine. Thanks!
One more, how can I make it accept and process decimal fractions?

LordeCalifornia:
Hello! I have a little 'python' problem.
I got stuck while trying to program a simple 'two-numbers-addition-only-calculator'.
Instead of adding the two numbers, the calculator would rather join the two numbers. It treats the inputs as strings rather than as number variables.

For example;
2 + 3 would print out "23" instead of 5.
And
5 + 6 prints out '56' instead of 11.


Here's the script



print "ADDITION ONLY CALCULATOR"

print "type first number here",

first_number = raw_input()

print "type second number here" ,

Second_number = raw_input()

total_combination = first_number + second_number

print "your answer is" , total_combination

first_number = input(" Please Enter the First Number: " )

second_number = input(" Please Enter the second number: " )


total_combination = float(first_number) + float(second_number)


print ("your answer is" , total_combination)

Print is to display an output try input........

Read about numeric type like float, double,int......

proxy20:



first_number = input(" Please Enter the First Number: " )

second_number = input(" Please Enter the second number: " )


total_combination = float(first_number) + float(second_number)


print ("your answer is" , total_combination)

Much thanks sir!
Neatly summarised.
I'd run it as soon as I power my pc.

LordeCalifornia:

Much thanks sir!
Neatly summarised.
I'd run it as soon as I power my pc.

Use ideone.com to run on your phone

@LordCarlifornia
if you're using a pc - i.e desktop, then some of ur python code will not work.
Python is designed for high end i.e modern systems, think laptops or modern to bleeding edge desktops.
tl:dr- get a laptop.

proxy20:



Use ideone.com to run on your phone

Alright. Thanks

asalimpo:
@LordCarlifornia
if you're using a pc - i.e desktop, then some of ur python code will not work.
Python is designed for high end i.e modern systems, think laptops or modern to bleeding edge desktops.
tl:dr- get a laptop.

Oops! My bad. I was thinking a laptop is equally a PC.
I use a laptop not a desktop.
Thanks.

asalimpo:
@LordCarlifornia
if you're using a pc - i.e desktop, then some of ur python code will not work.
Python is designed for high end i.e modern systems, think laptops or modern to bleeding edge desktops.
tl:dr- get a laptop.

Sorry, what I don't understand. Please explain why it won't work on a desktop computer after installing the python setup?

LordeCalifornia:
Hello! I have a little 'python' problem.
I got stuck while trying to program a simple 'two-numbers-addition-only-calculator'.
Instead of adding the two numbers, the calculator would rather join the two numbers. It treats the inputs as strings rather than as number variables.

For example;
2 + 3 would print out "23" instead of 5.
And
5 + 6 prints out '56' instead of 11.


Here's the script



print "ADDITION ONLY CALCULATOR"

print "type first number here",

first_number = raw_input()

print "type second number here" ,

Second_number = raw_input()

total_combination = first_number + second_number

print "your answer is" , total_combination

Looks like u just started learning python, u cld also learn without ur pc using "Qpython"

and urm


switch to python 3 k?

crunchyDope:


Looks like u just started learning python, u cld also learn without ur pc using "Qpython"

and urm


switch to python 3 k?

Yeah I'm a newbie
Qpython? I'd check that out. Thanks!

LordeCalifornia:

Great! It worked out just fine. Thanks!
One more, how can I make it accept and process decimal fractions?

For decimals, there's the double and float datatype, i don't know which python has, just check online. You'll need to cast it to either of the two types

asalimpo:
@LordCarlifornia
if you're using a pc - i.e desktop, then some of ur python code will not work.
Python is designed for high end i.e modern systems, think laptops or modern to bleeding edge desktops.
tl:dr- get a laptop.

Be saying rubbish dere

michaelwilli:

For decimals, there's the double and float datatype, i don't know which python has, just check online. You'll need to cast it to either of the two types

Yeah. I've figured it out already.
Thanks!

LordeCalifornia:

Yeah. I've figured it out already.
Thanks!

Ya welcome

LordeCalifornia:

Oops! My bad. I was thinking a laptop is equally a PC.
I use a laptop not a desktop.
Thanks.

You're right. A lappy is a pc if it runs windows os.
But typically, people usually call desktop 'pc'. So i thought u were talking desktop.
pc = windows os.
alternatives are mac (mac os), linux,unix. It can be confusing.

michaelwilli:

Be saying rubbish dere

You dont seem to share my view, dyu use a desktop?

Nascimento:


Sorry, what I don't understand. Please explain why it won't work on a desktop computer after installing the python setup?

The ram architecture of old systems can be an issue. Modern software is migrating to modern addressing.
E.g if you try to learn android dev on a not too recent desktop, you will install the sdk successfully but the emulator will not work and genymotion or other emulators will not work. You'll bang ur head for days and not find the answer even on google!! - listening to your huncher - ur intuition, you may decide to try the set up on a more modern system and voila or is viola (the location the 'i' keeps confusing me) the problem is solved.
There's a reason tech company programmers work on lappies!!.

asalimpo:

You're right. A lappy is a pc if it runs windows os.
But typically, people usually call desktop 'pc'. So i thought u were talking desktop.
pc = windows os.
alternatives are mac (mac os), linux,unix. It can be confusing.

Yeah.
I even call my phone a PC

asalimpo:
@LordCarlifornia
if you're using a pc - i.e desktop, then some of ur python code will not work.
Python is designed for high end i.e modern systems, think laptops or modern to bleeding edge desktops.
tl:dr- get a laptop.

This is so not true !!!!

asalimpo:

You dont seem to share my view, dyu use a desktop?

Just sharrap please, ya view makes absolutely no sense

michaelwilli:


Just sharrap please, ya view makes absolutely no sense

Human beings? When they're being exposed they get mad. Do u use an oldie (old desktop for ya coding)!
Tell us the specs of ur machine.

asalimpo:

Human beings? When they're being exposed they get mad. Do u use an oldie (old desktop for ya coding)!
Tell us the specs of ur machine.

Weda high end or low end, basic python stuffs will run smoothly