Simple Python concatenation question

Question

If I type the following into IDLE, it gives me the result of 'wordwordword':

print("word" * 3)

If I go through the following steps in IDLE, it gives me the same result:

sentence = input() #I type "word"
number = int(input()) #I type it to int because input() saves as a string, I type "3"
print(sentence * number)

But then, if I try to use the exact same three lines above in a Notepad document to create it as a script, I only get the result of 'word' instead of 'wordwordword'

Any thoughts?

Without the actual output and the Python version number, we'll have a hard time guessing. — S.Lott
– S.Lott, Commented Apr 25, 2011 at 17:23
Cannot reproduce. It prints "wordwordword" in my pc when run as script. Maybe you overlooked something in your saved script? (I'm running Python 2.7, since you're using print function and input, I assume you're using Python 3.x) — Imran
– Imran, Commented Apr 25, 2011 at 17:24
I am using the 3.x Python version. I figured that since I am new to the language, I should try to learn the newest version - is that faulty logic? — startuprob
– startuprob, Commented Apr 25, 2011 at 17:26
Yes, you should learn on 2.7. Most of the tutorials and libraries are written for 2.7 — Falmarri
– Falmarri, Commented Apr 25, 2011 at 17:29

Sandro Munda · Accepted Answer · 2011-04-25 17:25:30Z

1

You code works well in python 3.

With python 2, just replace input by raw_input() like that :

sentence = raw_input()
number = int(raw_input())
print(sentence * number)

You can read the PEP 3111 to understand the difference and the motivation between input and raw_input in python2 and python3.

answered Apr 25, 2011 at 17:25

Sandro Munda

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5 Comments

S.Lott Over a year ago

@Rob: Did you accept this answer even though your code doesn't work?

Sandro Munda Over a year ago

There is no problem with my code, it works well with python2 ;-) The code of @Rob works well in python3.

S.Lott Over a year ago

@Sandro Munda: Rob's comment seems to indicate it is not working.

Sandro Munda Over a year ago

@S.Lott Try it. It's not a problem due to my code. I think my answer was accepted because Rob has realized.If there is a problem, I'm listening.

S.Lott Over a year ago

@Sandro Munda: I'm still not commenting on your code or your explanation. I'm still asking about Rob's comment, which seems to indicate it is not working.

Community · Accepted Answer · 2020-06-20 09:12:55Z

0

I'd try raw_input():

sentence = raw_input()
number = int(raw_input())
print(sentence * number)

The documentation says that:

input([prompt])

Equivalent to eval(raw_input(prompt)).

eval() executes Python code, which isn't what you want.

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Apr 25, 2011 at 17:22

Blender

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2 Comments

startuprob Over a year ago

This throws a syntax error. I am using the newest version of Python, could that be a problem? Even when I just use a simple 'raw_input()' I get an error.

Blender Over a year ago

Ohhhh, never mind. Python3 renamed raw_input() to input(), which now makes sense. Carry on ;)

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