📅  最后修改于: 2022-03-11 14:45:15.441000             🧑  作者: Mango
# swapcase() method
string = "thE big BROWN FoX JuMPeD oVEr thE LAZY Dog"
print(string.swapcase())
>>> THe BIG brown fOx jUmpEd OveR THe lazy dOG