擅长:python、mysql、java
<pre><code>mixed_array = ["345", "sadas", "324a", "14", "john"]
only_integers= []
# A method to check if an object is integer
def is_int(s):
try:
int(s)
except ValueError:
return False
else:
return True
# Add integer objects from mixed_array to only_integers like:
only_integers = [i for i in mixed_array if is_int(i)]
# OR like:
only_integers = list(filter(is_int, mixed_array ))
</code></pre>