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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.

n=int(input("TheNumberOfElemenTInList:"))
A=[]
i=0
while(i < n) :
    j=input("Enter {} number of the list:".format(i+1))
    A.insert(i , j)
    i+=1
J=input("enter the no.:")
if j in A:
    h=A.index(j)
    print(h)
else:
    print("-1")
TheNumberOfElemenTInList:4 Enter 1 number of the list:12 Enter 2 number of the list:3 Enter 3 number of the list:4 Enter 4 number of the list:5 enter the no.:4 3