python逐字符读入

阅读量: searchstar 2020-02-06 20:44:09
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参考网站:
https://stackoverflow.com/questions/510357/python-read-a-single-character-from-the-user
https://stackoverflow.com/questions/2988211/how-to-read-a-single-character-at-a-time-from-a-file-in-python

从stdin中逐字符读入:

sys.stdin.read(1)

从文件中逐字符读入:
f = open('test.txt')
a = f.read(1)

例子:
echo程序
从stdin读入:

import sys
if __name__ == '__main__':
a = sys.stdin.read(1)
while a:
print(a, end="")
a = sys.stdin.read(1)

从test.txt读入:
import sys
if __name__ == '__main__':
f = open('test.txt')
a = f.read(1)
while a:
print(a, end="")
a = f.read(1)