Is the following Python code valid?>>> a,b,c=1,2,3>>> a,b,c

Is the following Python code valid?>>> a=(1,2,3,4) >>> del a

Is the following Python code valid?>>> x,y=6,7,8OptionsYes, this is an example of tuple unpacking. x=6 and y=(7, 8)Yes, this is an example of tuple unpacking. x=(6, 7) and y=8Yes, this is an example of tuple unpacking. x=6 and y=7No, too many values to unpack

Is the following Python code valid?>>> ct=(8,1,5)>>> python=ct.update(7,)OptionsYes, ct=(8, 1, 5, 7) and python=(8, 1, 5, 7)No, 'tuple' object has no attribute 'update'No because wrong syntax for update() methodYes, ct=(8, 1, 5) and python=(8, 1, 5, 7)

What will be the output of the following Python code?def func(a, b=5, c=10): print('a is', a, 'and b is', b, 'and c is', c)func(3, 7)func(25, c = 24)func(c = 50, a = 100)a is 3 and b is 7 and c is 10a is 25 and b is 5 and c is 24a is 100 and b is 5 and c is 50a is 3 and b is 7 and c is 10a is 5 and b is 25 and c is 24a is 50 and b is 100 and c is 5None of the mentioneda is 7 and b is 3 and c is 10a is 25 and b is 5 and c is 24a is 5 and b is 100 and c is 50

What is the output of the following Python code?s1=('a','b','c','d')s2=('e','f','g')s3 = s1 + s2print(s3