How do I test is a Python variable is a set
4684
What's the canonical way to check for type in Python?
27492
Testing if given number is integer
32673
How to determine a Python variable's type?
34580
FIND_IN_SET() vs IN()
126006
How to find out if an Object is a collection or single value?
86808
How to determine if a string is a valid variable name?
83777
What's the pythonic way to use getters and setters?
94841
How can I compare a dynamic variable with a literal in Mathematica?
21834
In Python, how do I determine if an object is iterable?
60608
Test whether string is a valid integer
103354
How do I test if an item is in a bash array?
40229
How do I check if a variable exists?
139466
How to test if a double is an integer
145781
Is the collection of all functions between two sets a set?
71976
Is every element on a set also a set?
151816
What is the semantics of 'is' operator in Python?
74576
How to know if an object has an attribute in Python