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!pip install jovian --upgrade --quiet
import jovian

Question 1: The user will enter a list of numbers and a separate number. The program will display the index at which the number is present in the list. If the number is absent, it'll return -1. Do NOT use built-in functions for searching.

b=int(input("enter how many numbers of elements in list you want in the list "))
print("now enter the numbers ")
a=list(map(int,input().split()))[:b]
c=int(input("enter the number of which you need to find index "))
if c in a:
    for i in range(0,b):
        if a[i]==c:
            print("the index is ",i)
            break
else :
    print(-1)
enter how many numbers of elements in list you want in the list 3 now enter the numbers 1 2 3 enter the number of which you need to find index 2 the index is 1