The proper format for a single line comment in Karel is:
// This is a comment
So, the correct answer from your options is:
// This is a comment
# This is a comment
// This is a comment
/* This is a comment
<comment>This is a comment</comment>
1 answer
The proper format for a single line comment in Karel is:
// This is a comment
So, the correct answer from your options is:
// This is a comment