def parse1():
    for line in open("log.txt"):
        print(line.split("[")[1].split("]")[0])
 
def parse2():
    for line in open("log.txt", "r"):
        print(line.split()[3].strip("[]"))
 
def parse3():
    for line in open("log.txt", "r"):
        print(" ".join(line.split("[" or "]")[3:5]))
 
def parse4():
    for line in open("log.txt", "rw"):
        print(" ".join(line.split()[3:5]).strip("[]"))
 
def parse5():
    for line in open("log.txt"):
        print(re.split("\[|\]", line)[1])

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