b. Find the output of the following script in Python. Note: All statements are valid.

i.

def display_grade(s): if s >= 50: print "Grade: Pass" print "Grade: Fail" display_grade(50)

ii.

def display_grade(s): if s >= 50: return "Grade: Pass" return "Grade: Fail" print display_grade(50)

iii.

def display_grade(s): if s >= 50: return "Grade: Pass" print "Grade: Fail" print display_grade(50)

iv.

def display_grade(s): if s >= 50: return "Grade: Pass" if s <= 50: return "Grade: Fail" print display_grade(50)

v.

def display_grade(s): if s > 50: return "Grade: Pass" if s < 50: return "Grade: Fail" print display_grade(50)