from copy import copy
from time import time
def commandSplit(text):
    results = [[""],[""]]
    count = 1
    for char in text:
        if count == 2:
            if char == ']':
                count -= 1
                results[0][-1] += "]"
                results[0].append("")
            else:
                results[0][-1] += char
                if char == " ":
                    results[1].append("")
                else:
                    results[1][-1] += char
        else:
            if char == "[":
                count += 1
                tmp = copy(results[0])
                tmp[-1] += char
                results[1] = tmp
                if results[0][-1] != "":
                    results[0].append(char)
                else:
                    results[0][-1] += char
            elif char == " ":
                results[0].append("")
            else:
                results[0][-1] += char
    results.append("")
    return results[count-1]


tests = [
    "Hello, [id1|Pavel Durov]",
    "Hello, [id1|Pavel Durov",
    "Hello, [id1 Pavel Durov]",
    "Hello, id1|Pavel Durov]",
    "Hello, [id1|Pavel Durov[]]",
    "[id1|Pavel Durov], hello!",
    "[id1|Pavel Durov], hello, [id1|Pavel Durov]!",
    4000*"["
    ]


for number, test in enumerate(tests):
    start_time = time()
    print("Test#{number}".format(number=number))
    print("  Text:\t ", test)
    print("  Result:", commandSplit(test))
    print("  Time:\t ", time()-start_time, "\n\n")