Writing response body with BaseHTTPRequestHandler

For Python 3, prefix the string literals with a b:

self.wfile.write(b"<foo>bar</foo>")

In Python3 string is a different type than that in Python 2.x. Cast it into bytes using either

self.wfile.write(bytes("<html><head><title>Title goes here.</title></head>/html>","utf-8"))

self.wfile.write("<html><head><title>Title goes here.</title></head></html>".encode("utf-8"))

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