Python Program to Swap Two Variables

In the temporary variable method for swapping two variables in Python, a common approach involves the use of an additional variable to temporarily store the value of one of the variables. The process begins by assigning the original value of variable a to a temporary variable, typically named temp. Subsequently, the value of a is reassigned to the value of variable b. Finally, the temporary variable (temp) is assigned the original value of a, which was stored earlier. As a result of these assignments, the values of variables a and b are effectively swapped. This method ensures that the values are exchanged without the risk of losing any data, providing a straightforward and reliable way to achieve variable swapping in Python.

Source code

# Swapping using a temporary variable
a = 5
b = 10

# Using a temporary variable
temp = a
a = b
b = temp

print("After swapping: a =", a, ", b =", b)

Description

1. Initialize Variables: Start by initializing the two variables you want to swap. For example:a = 5 b = 10
2. Create a Temporary Variable: Declare a temporary variable (commonly named temp) and assign it the value of the first variable (a in this case):temp = a
3. Swap Values: Assign the value of the second variable (b) to the first variable (a):a = b
4. Use Temporary Variable to Assign to the Second Variable: Assign the value stored in the temporary variable to the second variable (b):b = temp
5. Result: After these assignments, the values of a and b have effectively swapped. print("After swapping: a =", a, ", b =", b) Running this code will display: “After swapping: a = 10 , b = 5”

This method uses a temporary variable to ensure that the original values are not lost during the swapping process. It’s a straightforward and widely used approach for variable swapping in many programming languages, including Python.

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