Qtr No. 213, New Town Yehlanka Indore 454775
What will be the output of the following Python code?
x = ['ab', 'cd']
for i in x:
i.upper()
print(x)
[‘ab’, ‘cd’]
[‘AB’, ‘CD’]
[None, None]
ERROR MESSAGE
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Qtr No. 213, New Town Yehlanka Indore 454775
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Updated on Mon, 3 Nov 2025