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What does << do in Python

'<<' in python is a bitwise operator. For example:
	m << n
This operation returns 'm' with bits shifted to the left by 'n' places. 
It is similar to the multiplying 'm' by '2**y'.

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python << meaning

nums [1,2,3]
vals = nums

del vals[1:2]
print(vals)

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What does << do in Python

python << meaning

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