#!/user/local/python/bin/python
# coding=utf-8
test1 = ''
if len(test1) == 0:
  print '字符串TEST1为空串'
else:
  print '字符串TEST1不是空串,TEST1：' + test1

#!/user/local/python/bin/python
# coding=utf-8

str = "    "; 
print str.isspace();

str = "This is string example....wow!!!";
print str.isspace();

True
False

#!/user/local/python/bin/python
# coding=utf-8
str = "    "; 
print str.strip();
str = "This is string example....wow!!! ";
print str.strip();