Implementation of str.split() in python

split.py

# Implementation of split method

def split(string: str, separator: str, max_split=-1):
    if separator.__len__() == 0 or string.__len__() == 0:
        raise ValueError
    result = []
    temp = ''
    i = 0
    s_index = 0
    full_match = False

    for _, i in enumerate(string):
        
        if not full_match:
            if i == separator[s_index]:
                s_index += 1 if not full_match else 0
                temp += i
                if s_index == len(separator):
                    full_match = True
                else:
                    continue

        if full_match:
            # Push into stack
            #print(temp)
            if max_split:
                result.append(temp[:-s_index])
                max_split -= 1
                temp = ''
            s_index = 0
            full_match = False
        else:
            # Keep on capturing
            temp += i
            s_index = 0

    result.append(temp)
    return result

def test(string, delim, max_delim=-1):
    return split(string, delim, max_delim) == string.split(delim, max_delim)