测试派 Give testers a home.

a = 'sdSdsfdAdsdsdfsfdsdASDSDFDSFa'

b=a.swapcase()

print(a.swapcase())

first=''
for i in a:
if i.islower():
first = first + i.upper()
else:
first = first + i.lower()

last=''
for i in a:
if i.islower():
last=last+chr(219 - ord(i))
else:
last = last + chr(155 - ord(i))
print (first)
print(last)