Answer:
a. x^<i>(j)
Explanation:
The solution has been explained in the question; however, I will provide further explanation.
The sequence to access a word is:
Training example --> Word
In other words, you first access the training example, before you gain access to the word being searched for.
Rewrite the following:
Training example --> Word
as:
ith training example --> jth word
Hence, the representation is:

Answer:
I believe the answer is D. var = var + 1
Explanation:
Answer:
The complete code is as follows:
from array import *
myArr = array('f',[3, 5, 7,3, 10])
location = myArr.index(7)
print(str("7")+" is at position "+str(location+1))
Explanation:
I made corrections to the third line of the code and I added a line
This line gets the index of 7 from the array myArr using the index keyword
location = myArr.index(7)
This line prints the position of the 7 in the array
print(str("7")+" is at position "+str(location+1))