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可以正确执行的代码
#!/usr/local/bin/python
print "sss"
./print.py
sss
另外一份代码
#!/usr/local/bin/python
def binary_search(list,item):
low = 0
high = len(list)-1
while low <= high:
mid = (low + high) / 2
guess = list[mid]
if guess == item:
return mid
if guess > item:
high = mid -1
else:
low = mid + 1
return None
my_list = [1,3,5,7,9]
print binary_search(my_list,3)
print binary_search(my_list,-1)
用python执行ok
python ./search.py
1
None
直接用当可执行文件执行,发现不行
python]$ ./search.py
-bash: ./search.py: /usr/local/bin/python^M: bad interpreter: No such file or directory
一开始怀疑格式问题,也用dos2unix转过格式,另外一开始用4个空格作为分界符,后来因为这个问题改成了tab键,发现问题还是存在,百思不得其解?
因为以前也这么写过,貌似没有问题,不知道今天怎么会遇到这个问题,求大神指点
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