In Python I have a string that looks like this:
str = '1,2,3,4'
I have a method that takes four arguments:
def i_take_four_arguments(a, b, c, d):
return a + b + c + d
What do I have to do to string to allow it to be sent to the method?
2 Answers
If you want to perform arithmetic operation, following is one way. The idea is to convert your split string values to integers and then pass them to the function. The * here unpacks the generator into 4 values which are taken by a, b, c and d respectively.
A word of caution: Don't use in-built function names as variables. In your case, it means don't use str
string = '1,2,3,4'
def i_take_four_arguments(a, b, c, d):
return a + b + c + d
i_take_four_arguments(*map(int, string.split(',')))
# 10
str = '1,2,3,4'
list_ints = [int(x) for x in str.split(',')]
This will give you a list of integers, which can be added, pass them to your function
2 Comments
Paul Rooney
This is only the first part of the answer. A list would constitute only a single argument to the function, you'd need
* to expand the list to 4 separate arguments.
Katherine
Yeah, I just assumed that the OP wanted to convert the string to numbers, so that they can be passed to a function that does addition. My bad!
i_take_four_arguments(*str.split(','))