ooboo questions

• + and += operators are different? [duplicate]
• Non-Standard Optional Argument Defaults
• Question about Java polymorphism and casting
• Python Memory Model
• Finding Nth item of unsorted list without sorting the list
• Use of eval in Python?
• Boolean value of objects in Python
• Python append() vs. + operator on lists, why do these give different results?
• Python nonlocal statement
• Split Strings into words with multiple word boundary delimiters

ooboo answers