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import re
def rmSpace(txt):
txt = re.sub(r"([^a-z0-9.,]) +([^ ])", r"\1\2", txt)
return re.sub(r"([^ ]) +([^a-z0-9.,])", r"\1\2", txt)
def findMaxDt(fnm):
m = "1970-01-01 00:00:00"
try:
with open(fnm, "r") as f:
while True:
l = f.readline()
if not l:break
l = l.strip("\n")
if l == 'nan':continue
if l > m:m = l
except Exception as e:
print("WARNING: can't find "+ fnm)
return m
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