Understanding Shifting Operators in Python
Python, like many other programming languages, provides a set of bitwise operators that allow you to manipulate data at the binary level. Among these operators are the shifting operators, which are used to shift the bits of a number to the left or right. These operators are particularly useful in low-level programming, cryptography, and optimization tasks.
In this blog post, we’ll dive deep into the two shifting operators in Python:
- Left Shift Operator (
<<
) - Right Shift Operator (
>>
)
1. What Are Shifting Operators?
Shifting operators are used to move the bits of a binary number to the left or right. This operation effectively multiplies or divides the number by powers of 2, depending on the direction of the shift.
-
Left Shift (
<<
): Shifts the bits of a number to the left and fills the vacant positions with0
. This is equivalent to multiplying the number by (2^n), where (n) is the number of positions shifted. -
Right Shift (
>>
): Shifts the bits of a number to the right and fills the vacant positions based on the sign bit (for signed integers). This is equivalent to dividing the number by (2^n), where (n) is the number of positions shifted.