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(f) Write a Python script to read an integer > 1000 and reverse the number. (3)

Ans. n=int(input("Enter number: "))
rev=0
while(n>0):
dig=n%10
rev=rev*10+dig
n=n//10
print("Reverse of the number:",rev)
QUESTION 6

(a) What are list slices? What can we use them for? (1)
Ans. Slice is a part of a list containing some contiguous elements from the list or sub-part of a list extracted out.
It is used to extract some contiguous parts or elements of list (sub-part) from main list.
(b) What will the following code result in– (1)

L1=[1,3,5,7,9]
print(L1==L1.reverse())
print(L1)
Ans. Output:
False
[9, 7, 5, 3, 1]
(c) How is clear() function different from del<dict> statement? (1)
Ans. The clear() function removes all items from the dictionary and the dictionary becomes empty while
del<dict> statement deletes a dictionary element or dictionary entry, i.e., a key:value pair.
(d) Predict the output of the following code— (2)

d1={5:"number","a":"string",(1,2):"tuple"}
print("Dictionary contents")
for x in d1.keys():
print(x,':',d1[x],end=' ')
print(d1[x]*3)
print()
Ans. Output:

Dictionary contents
5 : number numbernumbernumber

a : string stringstringstring

(1, 2) : tuple tupletupletuple
(e) Write a Python script to search an element in a given list of numbers. (2)

Ans. lst=eval(input("Enter list:"))
length=len(lst)
element=int(input("Enter element to be searched for :"))
for i in range(0,length-1):
if element==lst[i]:
print(element,"found at index", i)
break
else:
print(element,"not found in given list")

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