Checks if the provided function returns True for every element in the list.

def every(lst, fn = lambda x: x):
 return all(map(fn, lst))

every([4, 2, 3], lambda x: x > 1) # True
every([1, 2, 3]) # True

Checks if the provided function returns <code class="notranslate">True</code> for every element in the list.
<ul>
<li>Use <code class="notranslate">all()</code> in combination with <code class="notranslate">map()</code> and <code class="notranslate">fn</code> to check if <code class="notranslate">fn</code> returns <code class="notranslate">True</code> for all elements in the list.</li>
</ul>

Test if every list element is truthy

More like this

Test if some list elements are truthy

Test if every list element is falsy

List union based on function