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Why Use \'and\' Instead of \'&&\' in Python If-Statements?

Mary-Kate Olsen
Mary-Kate OlsenOriginal
2024-10-18 20:22:03844browse

Why Use

Python If-Statements: Logical Operators and Equivalencies

When working with conditional statements in Python, it's essential to understand the proper use of logical operators. One common question arises when attempting to use the logical-and operator "&&" in an if-statement.

The Problem

The following code will not execute as intended:

<code class="python">if cond1 &amp;&amp; cond2:</code>

The Solution

In Python, the equivalent of the logical-and operator "&&" in an if-statement is simply the word "and":

<code class="python">if cond1 and cond2:</code>

Using "and" will correctly evaluate both cond1 and cond2 and execute the code block if both conditions are True.

Additional Notes

  • The logical-and operator is used to check if both conditions are true, while the logical-or operator ("or") checks if either condition is true.
  • Other logical operators include the logical-not operator ("not") and the ternary conditional operator (":").
  • The "and" operator can also be used in conjunction with other operators, such as "!=" or "<>" (not equal to).
  • Always remember to use correct syntax and indentation when writing Python code to ensure proper execution.

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