PY
py
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# built-in sum() function
x = sum([1, 2, 3])
print(x)
# assign a value to variable "sum"
sum = 1
print(sum)
y = sum([1, 2, 3]) # return TypeError
# comment out line 9
def test():
y = sum([1, 2, 3])
print(y)
test() # return TypeError
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OUTPUT
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