Can you explain this code
sentence= input(" enter a sentence with no puncatuation: > ")
sentence= sentence. lower()
keyword= input(" input a word from the sentence: > ")
keyword= keyword. lower()
words= sentence. split(' ')
for (i, subword) in enumerate(words):
if(subword == keyword):
print(i+1)
break
else:
print("error this word isnt in the sentence")

Asample of 200 rom computer chips was selected on each of 30 consecutive days, and the number of nonconforming chips on each day was as follows: 8, 19, 27, 17, 38, 18, 4, 27, 9, 22, 30, 17, 14, 23, 15, 14, 12, 20, 13, 18, 14, 20, 9, 27, 30, 13, 10, 19, 12, 26. construct a p chart and examine it for any out-of-control points. (round your answers to four decimal places.)