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

Which of the following keywords marks the beginning of the function block ?

1. func
2. define
3. def
4. function

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

Which of the following function headers is correct ?

1. def f(a = 1, b):
2. def f(a = 1, b, c = 2):
3. def f(a = 1, b = 1, c = 2):
4. def f(a = 1, b = 1, c = 2, d):