ListQ
ListQ(expr)tests whether
expris aList.
Examples
>> ListQ({1, 2, 3})True
>> ListQ({{1, 2}, {3, 4}})True
>> ListQ(x)FalseListQ(expr)tests whether
expris aList.
>> ListQ({1, 2, 3})True
>> ListQ({{1, 2}, {3, 4}})True
>> ListQ(x)False