Only last record is printing in child table why?

ERPNext
,
1

Hi Guys,
This is my code only last record is printing in child table, May I know what mistake i have done in this code.

kindly reply!
Thanks in advance!

@frappe.whitelist()
def onchange_autofill(self):
    if self.autofill:
        product_categories = frappe.get_all(
            'Item Group', fields=['parent_item_group', 'name'])
        print(product_categories)
        annual_point_scheme_lines = []
        for i in product_categories:
            # print(i.parent_item_group)
            if i.parent_item_group:
                annual_point_scheme_lines.append(i.name)
        print(annual_point_scheme_lines, 'kkkkkkkkkkk')
        var = self.annual_point_scheme_line
        for line in var:
            for i in annual_point_scheme_lines:
                print(i,'iiiiiiiiiiiiiiiiiii')
                line.categ_id = i
                line.point_assigned = 1
2

kindly please reply me @lekhnath for this problem.

3

Kindly reply me @peterg

4

kindly please reply me for this problem because I’m new to erpnext
@NCP

5

It would help if you could also post the output you’re getting and the output you expect to get.