文本中的python函数变量

Question

I'm trying to create a simple python function that looks like:

def fnc_assign(y,a): 
    'new_acc_no' + y + '.text' = import_list[x][a]

What I want to do with it is to assign new_acc_no10.text = import_list[1][0] when I call fnc_assign(10,1) but I'm stuck on getting the left hand side of the function to work (I get a SyntaxError: can't assign to operator).

Thanks for your help!

edit: As mentioned below, new_acc_no1 has a property .text that = import_list[x][0].

I have a lot of new_acc_no's so what I have been doing is:

new_acc_no1.text = import_list[x][0]
new_acc_no2.text = import_list[x][1]
new_acc_no3.text = import_list[x][2]
new_acc_no4.text = import_list[x][12]
new_acc_no5.text = import_list[x][13]

And I still have a lot more that I need to add so I thought writing a function that can write out new_acc_noY.text = import_list[x][a] would be beneficial with x being the variable in a while loop that the previous code block is in. So the function would be fnc_assign(1,2) and it will generate the output:

new_acc_no1.text = import_list[x][2]

with x still taking in the variable input from the loop its in. Is this possible?

Answer 1

Should be

def fnc_assign(y,x): 
    import_list[x][0] = 'new_acc_no' + y + '.text'

Note that your LHS is a string, and strings in Python are immutable, ie cannot be changed. I understood your intent is to assign the resulting string into the array element in question which you put on the RHS. Just reversing them does the assignment.

Or is your intent to actually have a variable named new_acc_no10.text and assign to it the value in the import list?

UPDATE

This also assumes y is a string (or supports concatenation with strings using the + operator), if not, use str(y) instead.

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NEW TASK UPDATE

Your code in the question (assuming an outer loop in x

for x in someValueIterator:
    new_acc_no1.text = import_list[x][0]
    new_acc_no2.text = import_list[x][1]
    new_acc_no3.text = import_list[x][2]
    new_acc_no4.text = import_list[x][12]
    new_acc_no5.text = import_list[x][13]

seems to suggest the following approach. Organize the account numbers into a dictionary, indexed by the RHS index you are using to assign, ie something like

acc_nos = [new_acc_no1, new_acc_no2, new_acc_no3, new_acc_no4, new_acc_no5]
indices = [0,1,2,12,13]
idx2acc = dict(zip(indices, acc_nos))

and now loop like this:

for index, acc_no in idx2acc.iteritems():
    acc_no.text = import_list[x][index]

and taking into account the outer loop in x , instead of

for x in someValueIterator:
    for index, acc_no in idx2acc.iteritems():
        acc_no.text = import_list[x][index]

consider looping like so directly:

for current_list in import_list:
    for index, acc_no in idx2acc.iteritems():
        acc_no.text = current_list[index]

Answer 2

change y to str(y)

def fnc_assign(y,x): 
    import_list[x][0] = 'new_acc_no' + str(y) + '.text'

edit:

you can't add int to str.