Add Quine in Cython (#5216)

Author: rzuckerm

archive/c/cython/quine.pyx

@@ -0,0 +1,15 @@
+from libc.stdio cimport printf
+
+def main():
+    cdef bytes s = b"""from libc.stdio cimport printf
+
+def main():
+    cdef bytes s = b%c%c%c%s%c%c%c
+    printf(s, 34, 34, 34, s, 34, 34, 34)
+
+if __name__ == "__main__":
+    main()"""
+    printf(s, 34, 34, 34, s, 34, 34, 34)
+
+if __name__ == "__main__":
+    main()