How do you concatenate a space in a string in python?

I have two strings:

>>> a = "abcd"
>>> b = "xyz"
>>> c = a + b
>>> c
abcdxyz

How can I get abcd xyz as a result instead when adding a and b?

msw

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asked Jul 13, 2012 at 12:58

Simply just add a space between the two strings:

a = "abcd" 
b = "xyz" 
c = a + " " + b  # note the extra space concatenated with the other two
print c

this will give you

abcd xyz

You can use a function such as .join(), but for something so short, that would seem almost counter-intuitive (and IMO "overkill"). I.e., first create a list with the two strings, then call a function with that list and use the return of that function in a print statement ... when you can just concatenate the needed space with the 2 strings. Seems semantically more clear too.

Based on: "Simple is better than complex." (The Zen of Python "import this")

answered Jul 13, 2012 at 12:59

LevonLevon

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3

You can use join to concatenate your strings together with your selected delimiter.

a = "abcd"
b = "xyz"
c = " ".join([a, b])

answered Jul 13, 2012 at 13:00

Christian WittsChristian Witts

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Since Python 3.6, you can use f-strings to join two strings with ease. The code is more succinct and the variables are referenced directly within the context of the string.

a = 'hello'
b = 'world'
c = f'{a} {b}'

print(c)

The above code would output the following:

hello world

The .join() function is still the way to go when you have many strings or where the number of strings may vary.

answered Mar 1, 2019 at 16:33

noddynoddy

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Python supports the string formatting operations and a template system (the latter is technically a simple but powerful class) as part of the string module. While the plus operator does its work, the lack of string formatting can influence a lot the readability of the code. A basic example for string formatting:

c = '%s %s' % (a, b)

georg

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answered Jul 13, 2012 at 13:28

VidulVidul

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2

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When I run this code it behaves like expected:

x = int(input("Put number: "))
result_figure =[]
xtempleft = x-1
xtempright = 0
space = " "
sl = "/"
bsl  = "\\"
#Q1
for i in range(x):
    if xtempleft > 0:
        q1= space * xtempleft + sl
        xtempleft -= 1
        print(q1)

    else:
        q1 = sl
        print(q1)
#Q2
for i in range(x):
    if xtempright == 0:
        xtempright += 1
        q2= bsl 
        print(q2)
    else:
        q2 = space * xtempright + bsl
        xtempright += 1
        print(q2)

I get this:

    /
   /
  /
 /
/
\
 \
  \
   \
    \

The problem is that when I try to do some modification:

for i in range(x):
    result =""
    if xtempleft > 0:
        q1= space * xtempleft + sl
        xtempleft -= 1
        result += q1     
    else:
        q1 = sl
        result += q1
#Q2
    if xtempright == 0:
        xtempright += 1
        q2= bsl 
        result += q2
    else:
        q2 = space * xtempright + bsl
        xtempright += 1
        result += q2  
    print(result)

to print what I need in the same line i get it like spaces from Q2 disappeared somewhere and didn't concatenate.

    /\
   / \
  /  \
 /   \
/    \

Anyone could help me with this? I have tried in many ways and can't get it.

jww

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asked Jul 31, 2017 at 11:37

1

In modification you omitted the for loop.

In your initial code there are two for loops and in your modification you omitted the second for loop.

answered Jul 31, 2017 at 11:46

RahulRahul

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1

As the / goes one position left on each line, you need one additional space before the \. It is enough to write in Q2:

    q2 = space * 2 * xtempright + bsl

answered Jul 31, 2017 at 11:56

Serge BallestaSerge Ballesta

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1

If this is your expected output,

    /\
   /  \
  /    \
 /      \
/        \

Modify #Q2 to :

if xtempright == 0:
        xtempright += 1
        q2= bsl 
        result += q2
    else:
        q2 = space * (xtempright+1) + bsl
        xtempright += 2
        result += q2

answered Jul 31, 2017 at 11:52

SajinSajin

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0

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