题解 | #字符串排序#
字符串排序
https://www.nowcoder.com/practice/5af18ba2eb45443aa91a11e848aa6723
import sys
import re
b=[]
for line in sys.stdin:
a = line.strip()
a=''.join(re.findall('[a-zA-Z]',a))
if a!='':
b.append(a)
for i in sorted(b):
print(i,end='\n')