题解 | #大小写转换#
大小写转换
https://www.nowcoder.com/practice/4e089ee8966a4ed4b306f64e68d45264
while True:
try:
n=input()
print(n.lower())
except:
break
大小写转换
https://www.nowcoder.com/practice/4e089ee8966a4ed4b306f64e68d45264
while True:
try:
n=input()
print(n.lower())
except:
break
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