What is this digit operation?
0 -> 0
1 -> 9
121 -> 9
44 -> 6
15 -> 5
1243 -> 7
Remove all the words that end with "ain"
Factorize THIS, buddy
Who knows the last digit of pi?
Who has power to do everything in this world?
Concatenate two strings
How many monitors are connected ?
Negation and new variables
Without the French accent please!
Numbers spiral diagonals
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