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Update 21.文件读写和异常处理.md--调整文件循环读取的数组大小 #1114

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Update 21.文件读写和异常处理.md--调整文件循环读取的数组大小 #1114

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2 changes: 1 addition & 1 deletion Day21-30/21.文件读写和异常处理.md
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Original file line number Diff line number Diff line change
Expand Up @@ -231,7 +231,7 @@ try:
data = file1.read(512)
while data:
file2.write(data)
data = file1.read()
data = file1.read(512)
except FileNotFoundError:
print('指定的文件无法打开.')
except IOError:
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