pattern = re.compile(r"(?P<timestamp>\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d{3}) (?P<level>INFO|ERROR|WARN|TRACE|DEBUG|FATAL)")

f = open("C:\\test_log.log", "r")

f.seek(0)  ### go back to beginning of log
allLogs = f.read()

l=list()
for log in allLogs:
    match = pattern.search(str(log))
    if match:
        logDict2 = match.groupdict()
        l += logDict2
    else:
        print("No matches")

print(logDict2)
print(len(logDict2))
print(type(logDict2))

print(l)
print(len(l))
print(type(l))