题解 | #判断是不是字母#
判断是不是字母
https://www.nowcoder.com/practice/91a588dd4cd244bfa616f17603ec123c
while True:
try:
in_str = input()
if in_str >= "A" and in_str <= "z" :
print("%s is an alphabet." %in_str)
else:
print("%s is not an alphabet." %in_str)
except:
break

