What is the default return value for a function that does not return any value explicitly ?

1. None
2. int
3. double
4. null

Which of the following items are present in the function header ?

1. function name only
2. both function name and parameter list
3. parameter list only
4. return value

What is the name given to that area of memory, where the system stores the parameters and local variables of a function call ?

1. a heap
2. storage area
3. a stack
4. an array

Pick one the following statements to correctly complete the function body in the given code snippet.

def f(number):  
    #Missing function body  
print(f(5))

1. return "number"
2. print(number)
3. print("number")
4. return number