def xyz(a,n):
for i in range(0,len(a)):
if a[i]==n:
return i
return -1
a=[1,2,3,4,5,6,7,8,9]
n=int(input("Enter the number to search:"))
r=xyz(a,n)
if r!=-1:
print("item found at index",str(r))
else:
print("item not found")
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