agiliq

Jython 2.2.1 on java1.6.0_0
Type "copyright", "credits" or "license" for more information.
>>> None
>>> None > 10
0
>>> None < 10
1
>>> None == None
1
>>> 

agiliq

SQLite version 3.6.10
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> select null;

sqlite> select null>10, null<10, null=null, 10=10 as data;
|||1
sqlite> 

agiliq

mysql> select null;
+------+
| NULL |
+------+
| NULL | 
+------+
1 row in set (0.00 sec)

mysql> select null>10, null<10, null=null, 10=10 as data;
+---------+---------+-----------+------+

agiliq

scala> 10 == 10
res6: Boolean = true

scala> null > 10
<console>:5: error: value > is not a member of Null
       null > 10
            ^

scala> null < 10
<console>:5: error: value < is not a member of Null

agiliq

Perl> undef == 10;
Use of uninitialized value in numeric eq (==) at (eval 2) line 3.


Perl> undef > 10;
Use of uninitialized value in numeric gt (>) at (eval 3) line 3.


Perl> undef < 10;
Warning: Use of "undef" without parentheses is ambiguous at (eval 4) line 3.

agiliq

Hugs> Nothing
Nothing
Hugs> Nothing == Nothing
True
Hugs> Nothing > 10
ERROR - Cannot infer instance
*** Instance   : Num (Maybe a)
*** Expression : Nothing > 10

Hugs> Nothing < 10

agiliq

Clojure 1.0.0-
user=> nil
nil
user=> (== 10 10)
true
user=> (== nil 10)
java.lang.NullPointerException (NO_SOURCE_FILE:0)
user=> (== 10 nil)
java.lang.NullPointerException (NO_SOURCE_FILE:0)
user=> (> nil 10)

agiliq

php> echo(false)
php> echo(true)
1
php> echo(null)
php>

agiliq

scala> None == None
res3: Boolean = true

scala> None == 10  
<console>:5: warning: comparing non-null values of types object None and Int using `==' will always yield false
       None == 10
            ^
res4: Boolean = false

scala> None > 10 

agiliq

def merge(url):
    full_url=[]
    for i, el in enumerate(url):
        if i%2==0:    
            full_url.append(el)
    full_url = ''.join(full_url)
    return full_url
    
def combineflatten(seq):
    items= tuple(item for item in seq if not isinstance(item, tuple))