One article teaches you to implement local pagination using Python

initialSize = 2 # Number of displays on the first screeneachSize = 5    # Number of remaining pages displayed
local_pages = []  # Local pagination data
def makePage(d):
    '''
     Create paging data
     '''
    local_pages.clear()
    if calcSize(d) > initialSize: # The total number of characters is greater than the number of first screens, use local pagination        sublist = []
        for item in d:
            for child in item["child"]:
                (child)
        
        firstPageSize = min(len(sublist), initialSize) # The size of the first page
        local_pages.append(sublist[0:firstPageSize]) # Get the collection of the first page
        remain_size = len(sublist)-firstPageSize # Number of remaining
        group_count = int(remain_size / eachSize) # Calculate the number of pages
        last_count = remain_size % eachSize # Get the remaining amount, how many items are left in the end
        idx = 0
        for idx in range(group_count):
            start = firstPageSize + idx * eachSize
            end = start + eachSize
            local_pages.append(sublist[start:end]) # Add a new page collection
        if last_count > 0:
            local_pages.append(sublist[-last_count:]) # The remainder is not 0, it will be used as the last page collection    
    pass
                

def calcSize(d)->int:
    '''
     Calculate the total number of entries
     '''
    size = 0
    for item in d:
        size += len(item["child"]) + 1
    return size

def printPage():
    '''
     Print page
     '''
    idx = 0
    for p in local_pages:
        idx += 1
        print("page:{}".format(idx))
        for item in p:
            print(item)


data = [{"id":"1",
         "name":"parent_1",
         "child":[
             {"id":"1_1",
              "name":"RS234326348264",
              "parent_id":"1"
              },
             {"id":"1_2",
              "name":"RS234326348264",
              "parent_id":"1"
              },
             {"id":"1_3",
              "name":"RS234326348264",
              "parent_id":"1"
              },
             {"id":"1_4",
              "name":"RS234326348264",
              "parent_id":"1"
              },
              {"id":"1_5",
              "name":"RS234326348264",
              "parent_id":"1"
              },
              {"id":"1_6",
              "name":"RS234326348264",
              "parent_id":"1"
              },
              {"id":"1_7",
              "name":"RS234326348264",
              "parent_id":"1"
              },
              {"id":"1_8",
              "name":"RS234326348264",
              "parent_id":"1"
              },
              {"id":"1_9",
              "name":"RS234326348264",
              "parent_id":"1"
              }]},

        {"id":"2",
         "name":"parent_2",
         "child":[
              {"id":"2_1",
              "name":"RS234326348264",
              "parent_id":"2"
              }]}]

print(f"Number of displays on the first screen:{initialSize}")
print(f"Number of remaining pages displayed:{eachSize}")
makePage(data)
printPage()