Python "or" Operator

Python "or" Operator

In Python, the or operator is a Boolean operator used for conditional expressions. It returns True if at least one of the operands evaluates to True, and False otherwise. Here's how you can use the or operator in Python:


        # Using "or" in a simple if statement
        x = 5
        y = 10

        if x > 3 or y < 5:
            print("At least one condition is true.")

        # Using "or" in a variable assignment
        a = 7
        b = 2
        result = (a > 5) or (b < 1)
        print(result)  # This will print True because the first condition is true.

        # Using "or" with non-Boolean values
        value1 = "Hello"
        value2 = ""
        result = value1 or value2
        print(result)  # This will print "Hello" because it's the first truthy value.
    

In the examples above:

  1. In the first example, the if statement checks if either x > 3 or y < 5 is true, and if either condition is met, it prints a message.
  2. In the second example, we use the or operator to assign the result of the condition (a > 5) or (b < 1) to the variable result. Since the first condition is true, result is assigned True.
  3. In the third example, we use the or operator with non-Boolean values. In Python, non-empty strings like "Hello" are considered truthy, so value1 is the first truthy value encountered, and it's assigned to result.

Remember that the or operator short-circuits, which means that if the first operand is True, it doesn't evaluate the second operand because it already knows the result will be True. This behavior can be useful for optimizing code and avoiding unnecessary computations.

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