why this code is not correct?
s = summ(v)
sorry mate, this is unfair for those who actually came up with a compact solution
No need to be sorry.
Personally I think the regexp should be always forbidden.
I used it (and I had never thought about it before) because it seems that everyone is using it.
Back to basics 19 - character types
Cell Counting: How Many Draws?
05 - Vector Equations 1
Rounding off numbers to n decimals
Remove the Zero
How many Integers?
Triangle of numbers
Product of Each Column
Sum of Two Numbers
Approximate the cosine function
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