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[英]How would I make it so I can enter what I want to use in lower and upper caps?. Example - sin/SIN, tan/TAN
[英]How can I make string upper and lower
如果您不想使用内置 function “swapcase”,请按以下方式操作您的代码
def Upper_lower(words):
res =""
for i in words:
if i.isupper() == True:
res =res+i.lower()
else:
res =res+i.upper()
return res
print(Upper_lower('AAABBBcccddd'))
否则使用这个
def swap(s):
return (s.swapcase())
str1 ='AAABBBcccddd'
swap(str1)
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