buoi 2 - bai 2
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| Language | Python |
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| Owner | cuongd10vt3 |
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| Modified | |
| Visibility | Public |
s = "mY namE Is CuoNg, I'm 24 yearS OLd"
s1 = ""
for x in s:
if x.islower():
x = x.upper()
elif x.isupper():
x = x.lower()
s1 += x
print (s1)
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