python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/mailcap.txt

@@ -0,0 +1,39 @@
+# Mailcap file for test_mailcap; based on RFC 1524
+# Referred to by test_mailcap.py
+
+#
+# This is a comment.
+#
+
+application/frame; showframe %s; print="cat %s | lp"
+application/postscript; ps-to-terminal %s;\
+    needsterminal
+application/postscript; ps-to-terminal %s; \
+    compose=idraw %s
+application/x-dvi; xdvi %s
+application/x-movie; movieplayer %s; compose=moviemaker %s; \
+       description="Movie"; \
+       x11-bitmap="/usr/lib/Zmail/bitmaps/movie.xbm"
+application/*; echo "This is \"%t\" but \
+       is 50 \% Greek to me" \; cat %s; copiousoutput
+
+audio/basic; showaudio %s; compose=audiocompose %s; edit=audiocompose %s;\
+description="An audio fragment"
+audio/* ; /usr/local/bin/showaudio %t
+
+image/rgb; display %s
+#image/gif; display %s
+image/x-xwindowdump; display %s
+
+# The continuation char shouldn't \
+# make a difference in a comment.
+
+message/external-body; showexternal %s %{access-type} %{name} %{site} \
+    %{directory} %{mode} %{server}; needsterminal; composetyped = extcompose %s; \
+    description="A reference to data stored in an external location"
+
+text/richtext; shownonascii iso-8859-8 -e richtext -p %s; test=test "`echo \
+    %{charset} | tr '[A-Z]' '[a-z]'`"  = iso-8859-8; copiousoutput
+
+video/*; animate %s
+video/mpeg; mpeg_play %s