Python printing multiple lines?

Question

So I am a beginner to Python (previous experience with Java), and I was creating a simple OOP program. Here is my class:

from Tools.scripts.treesync import raw_input


class Info:

    def startGame(self):
        name = raw_input('What is your name?\n')
        age = raw_input("What is your age?\n")
        color = raw_input("What is your favorite color\n")
        print("Your name is %s, your age is %s, and your favorite color is %s" % (name, age, color))
        return Info


class App:

    def build(self):
        game_app = Info()
        game_app.startGame()
        return game

if __name__ == "__main__":
    obj = App()
    game = Info()
    obj.build()

This is the output:

Your name is Chris
, your age is 18
, Sand your favorite color is Red

I am confused as to why it is printing on 3 lines? Is there any way to print this onto a single line?

What is the difference between Tools.scripts.treesync.raw_input function and the standardlib raw_input (which should strip newline characters)? — lee-pai-long
– lee-pai-long, Commented Jul 12, 2017 at 21:11
None of what you posted is Javascript. Please don't post it as a Javascript snippet. — user2357112
– user2357112, Commented Jul 12, 2017 at 21:13
You should either use input instead of raw_input or use name.strip() to remove the trailing newline (also for the other variables) — Azad
– Azad, Commented Jul 12, 2017 at 21:16

Tim Pietzcker · Accepted Answer · 2017-07-12 21:22:05Z

2

The raw_input you're importing is keeping the CRLF in the input you entered. Why not use the built-in input() function (you are using Python 3, right)?

>>> from Tools.scripts.treesync import raw_input
>>> raw_input("> ")
> abc
'abc\n'
>>> input("> ")
> abc
'abc'

Also, Python is not Java. No need to put everything in classes.

edited Jul 12, 2017 at 21:22

answered Jul 12, 2017 at 21:12

Tim Pietzcker

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8 Comments

Tim Pietzcker Over a year ago

What is the reason for the downvotes? OP is not using the built-in raw_input() - there isn't one in Python 3, and the print() syntax he's using suggests that that's what he is on.

McGlothlin Over a year ago

I was wondering the same (I didn't downvote, btw). Isn't this answer also correct?

user2357112 Over a year ago

Sorry, missed the raw_input import.

user2357112 Over a year ago

@Waldxn: A class should never be used as a holder for functions. Java only does that because of the inflexible structure of Java programs. The operations supported by instances of a class should be methods of the class, and some closely-related functions (such as alternate constructors) may be appropriate as classmethods or staticmethods, but if you just want somewhere to group a bunch of functions together, that's what modules are for.

Tim Pietzcker Over a year ago

Usually you store functions in modules (each Python file is a module). Adding a function to a class makes sense for object methods, i. e. methods that are only useful for a specific object. In your case the class doesn't do anything besides harboring a function - that's not how Python "works". It may be different with complex objects, but your question is a bit too broad for an answer in a comment :)

|

rinkert · Accepted Answer · 2017-07-12 21:12:38Z

1

You are using raw_input, which includes a line ending to the string, you can just use input() to obtain the string without a line ending.

answered Jul 12, 2017 at 21:12

rinkert

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1 Comment

Tim Pietzcker Over a year ago

It's not the standard raw_input() but rather something imported from a library.

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