题解 | #大小写转换#
大小写转换
https://www.nowcoder.com/practice/4e089ee8966a4ed4b306f64e68d45264
import sys
for line in sys.stdin:
a = line.split()
print(a[0].lower())
大小写转换
https://www.nowcoder.com/practice/4e089ee8966a4ed4b306f64e68d45264
import sys
for line in sys.stdin:
a = line.split()
print(a[0].lower())
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