Python Na Ennada : 19 Source Code
'''kk = "HI , KK"
print(kk.lower())
print(kk.upper())
a = " Hello, kk! "
print(a.strip())
print(kk.replace('HI', 'bye'))'''
kketworks = 'youtube channel'
print(kketworks.upper())
print(kketworks.lower())
print(kketworks.replace('channel', 'CHANNEL'))
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