file = open("sample.txt")
while 1:
line = file.readline()
if not line:
break
pass # do something
file.close()
import fileinput
for line in fileinput.input("sample.txt"):
pass
file = open("sample.txt")
while 1:
lines = file.readlines(100000)
if not lines:
break
for line in lines:
pass # do something
file.close()
file = open("sample.txt")
for line in file:
pass # do something
file.close()
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