Is the following Python code valid?

>>> a=(1,2,3,4)
>>> del a

Which Python module is used for importing regular expressions?

 In order to store values in terms of key and value, we use what core data type?

What is the output of the following Python code?

import math

a = 10.3

b = math.floor(a)

print(b)

What will be the output of the following Python code?

l1=[1, 2, 3, [4]]
l2=list(l1)
id(l1)==id(l2)

What is the output of the following code?

x = 5

for i in range(x, 1):

print(i, end=" ")

What will be the output of the following Python code?

 import turtle

 t=turtle.Pen()

 t.clear()

 t.isvisible() 

>>>x*0.2

Which of the following about the above expression is true?

Suppose the list list1 is [20, 4, 5, 60, 5, 25, 2, 3], what is list1 after list1.pop(1)?

What will be the output of the following Python code snippet?

def example(a):

   a = a + '2'

    a = a*2

return a

>>>example("hello")