<span class="hljs-string">'a'</span>;
<span class="hljs-string">'\n'</span>;
<span class="hljs-string">'\x1A'</span>;
<span class="hljs-string">'\u12AS'</span>;
<span class="hljs-string">'\U1234ASDF'</span>;
<span class="hljs-string">b'a'</span>;

<span class="hljs-string">"hello"</span>;
<span class="hljs-string">b"hello"</span>;

<span class="hljs-string">r"hello"</span>;
<span class="hljs-string">r###"world"###</span>;
<span class="hljs-string">r##" "###
"# "##</span>;