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Intro to Programming and Data Science (Fall 2024)/Day 1 Tutorial
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====more choices: <code>if</code> and <code>else</code>==== '''<code>if</code>''' lets you execute some code only if a condition is <code>True</code>. What if you want to execute different code if a condition is <code>False</code>? Use the '''<code>else</code>''' keyword, together with <code>if</code>, to execute different code when the <code>if</code> condition isn't <code>True</code>. Try this: <syntaxhighlight lang="python"> sister_age = 15 brother_age = 12 if sister_age > brother_age: print("sister is older") else: print("brother is older") </syntaxhighlight> Like with <code>if</code>, the code block under the <code>else</code> condition must be indented so Python knows that it is a part of the <code>else</code> block.
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