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Swapping two variables in Python can be done in several ways. Here are some common methods:
Using a Temporary Variable
This is the most straightforward method where you use a temporary variable to hold one of the values during the swap.
x = 5y = 10# Using a temporary variabletemp = xx = yy = tempprint("x =", x) # Output: x = 10print("y =", y) # Output: y = 5Using Tuple Unpacking
Python allows swapping variables without using a temporary variable by using tuple unpacking.
x = 5y = 10# Using tuple unpackingx, y = y, xprint("x =", x) # Output: x = 10print("y =", y) # Output: y = 5Using Arithmetic Operations
You can also swap variables using arithmetic operations like addition and subtraction.
x = 5y = 10# Using arithmetic operationsx = x + yy = x - yx = x - yprint("x =", x) # Output: x = 10print("y =", y) # Output: y = 5Using XOR Operation (for integers)
This method uses the XOR bitwise operator to swap values without a temporary variable.
Is there a standardized method to swap two variables in Python?
In Python, I've seen two variable values swapped using this syntax: left, right = right, left Is this considered the standard way to swap two variable values or is there some other means by …
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Python Program to Swap Two Variables - GeeksforGeeks
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- Using Naive approach. The most naive approach is to store the value of one …
- Using comma operator. Using the comma operator the value of variables can …
- Using XOR. The bitwise XOR operator can be used to swap two variables. …
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Sep 21, 2021 · A simple swap function in Python is generally considered a function that takes two initialized variables, a = val_a and b = val_b, and returns a result of a = val_b and b = val_a. …
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