apt list libpython3.4*
Listing... Done
libpython3.4/now 3.4.3-1ubuntu1~14.04.1 amd64 [installed,local]
libpython3.4-dbg/trusty-updates,trusty-security 3.4.0-2ubuntu1.1 amd64
libpython3.4-dev/trusty-updates,trusty-security 3.4.0-2ubuntu1.1 amd64
libpython3.4-minimal/now 3.4.3-1ubuntu1~14.04.1 amd64 [installed,local]
libpython3.4-stdlib/now 3.4.3-1ubuntu1~14.04.1 amd64 [installed,local]
libpython3.4-testsuite/trusty-updates,trusty-security 3.4.0-2ubuntu1.1 all