I'm new to python and learning how to code. I'm printing last element of my list and sum of the list as-
print list[-1],sum
But the output is separated by " " and not separated by ",". Any idea how to separate it by comma?
I'm using Python 2.7
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4 Answers
Use the sep keyword argument:
print(list[-1], sum, sep=',')
1 Comment
Adam Smith
This only works in Python3. From the OP,
print list[-1],sum is clearly using Python2.Include it in quotes, like this:
print str(list[-1]) + "," + str(sum)
Enclosing them in str() is unnecessary if list[-1] and sum are strings.
In general, symbols are interpreted as Python symbols (for example, names like sum are interpreted as variable or function names). So whenever you want to print anything as is, you need to enclose it in quotes, to tell Python to ignore its interpretation as a Python symbol. Hence print "sum" will print the word sum, rather than the value stored in a variable called sum.
5 Comments
Alex
I did that but still there is space before and after comma. It prints like this 23 , 244 but I want it to be 23,244
Antimony
See my edited answer.
Jean-François Fabre
also OP shouldn't use
sum as a variable name as it's already the sum function.Adam Smith
@Jean-FrançoisFabre also OP shouldn't use
list as a variable name as it's already the list constructor :)Alex
Thanks a lot Antimony! It worked
You'll have to compose that together into a string. Depending on what version of Python you're using, you could either do:
print "{},{}".format(list[-1], sum)
or
print "%s,%s" % (list[-1], sum)
If you were using Python3.6+, there would be a third option:
print(f"{list[-1]},{sum}")
Comments
You can use str.format() and pass whatever variables you want to get it formatted, for example:
x = 1
z = [1, 2, 3]
y = 'hello'
print '{},{},{}'.format(x, z[-1], y)
# prints: 1,3,hello
