A string is a list-like row of characters. len counts them, an index or a slice like [0:3] picks some out, upper and lower change their case, and in checks whether one string is inside another.
20 blocks · 7 graded
21 blocks · 7 graded
22 blocks · 6 graded
22 blocks · 7 graded
9 blocks · 2 graded
← All weeks 📊 Week review →