def tail(filename):
f = open(filename,encoding='utf-8')
while True:
line = f.readline()
if line.strip():
yield line.strip()g = tail('file')
for i in g:
if 'python' in i:
print('***',i)
def tail(filename):
f = open(filename,encoding='utf-8')
while True:
line = f.readline()
if line.strip():
yield line.strip()g = tail('file')
for i in g:
if 'python' in i:
print('***',i)
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