Learned from Solution 883700, by Tim. run this just for checking: I reckon that function "sum" in that solution is redundant, and my guessing seems to be right.
Quick response! Seems 0 is better than infinity...
lol~ yes, in terms of code size, 0 is better than Inf :-)
All your base are belong to us
Back to basics 25 - Valid variable names
Generate a NaN...on purpose
Matrix multiplication across rows
Your favourite city!
Sorting integers by their digits (Level 4)
The glass half full
Mean number of letters per word (Easy)
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