Count number of words in string
'hi', answer is 1
'hi hi', answer is 2
'I enjoy cody', answer is 3
Summing Digits within Text
How many trades represent all the profit?
Replacing a row
Sum of integers numbers
Find out value of polynomial at different value.
Average speed for the entire trip
Create vector as shown in test cases
Find out base of following arithmetic operation
calculate interest saved because of reduction of interest rate
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