70. Toggle the Case
Foundation1000 ms256 MBSolved by 0%
Read one line and print it with every letter's case flipped, uppercase becomes lowercase and lowercase becomes uppercase.
Anything that is not a letter is left exactly as it is.
Constraints - The line has between 1 and 100000 characters. - Printable ASCII only.
Input
A single line of text.
Output
Print the line with the case of every letter flipped. Non-letters are unchanged.
InputHello
OutputhELLO
Notehas a mix of cases
InputHello World 123
OutputhELLO wORLD 123
Notecontains digits and spaces that must pass through unchanged
Hints
Four rungs, in order. The last two open once you have submitted an attempt. A wrong one counts.
Hint 1Where to start
Hint 2The approachOpen hint 1 first. This one carries on from it.
Hint 3PseudocodeOpen hint 2 first. This one carries on from it.
Hint 4Full solutionOpen hint 3 first. This one carries on from it.