$ apt-get --purge remove libpython2.7
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  libpython2.7* vim*
0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
After this operation, 6,076 kB disk space will be freed.
Do you want to continue? [Y/n] n
Abort.

$ dpkg-query --show
accountsservice	0.6.40-2ubuntu5
adduser	3.113+nmu3ubuntu4
apparmor	2.10-0ubuntu6
apt	1.0.10.2ubuntu1
apt-transport-https	1.0.10.2ubuntu1
apt-utils	1.0.10.2ubuntu1
aptitude	0.7.3-1ubuntu1
aptitude-common	0.7.3-1ubuntu1
base-files	7.2ubuntu11
base-passwd	3.5.38
bash	4.3-14ubuntu1
bash-completion	1:2.1-4.1ubuntu2
bind9-host	1:9.9.5.dfsg-11ubuntu1
bsdmainutils	9.0.6ubuntu1
bsdutils	1:2.26.2-6ubuntu3
busybox-initramfs	1:1.22.0-15ubuntu1
busybox-static	1:1.22.0-15ubuntu1
bzip2	1.0.6-8
ca-certificates	20150426ubuntu1
command-not-found	0.3ubuntu15.10.1
command-not-found-data	0.3ubuntu15.10.1
console-setup	1.108ubuntu9
console-setup-linux	1.108ubuntu9
coreutils	8.23-4ubuntu2
cpio	2.11+dfsg-4.1ubuntu1
crda	3.13-1
cron	3.0pl1-127ubuntu1
dash	0.5.7-4ubuntu2
dbus	1.10.0-1ubuntu1
debconf	1.5.57ubuntu1
debconf-i18n	1.5.57ubuntu1
debianutils	4.5.1
dh-python	2.20150826ubuntu1
diffutils	1:3.3-1
discover	2.1.2-7ubuntu1
discover-data	2.2013.01.11
dmidecode	2.12-4
dmsetup	2:1.02.99-1ubuntu1
dnsutils	1:9.9.5.dfsg-11ubuntu1
dosfstools	3.0.28-1
dpkg	1.18.2ubuntu5
e2fslibs:amd64	1.42.12-1ubuntu2
e2fsprogs	1.42.12-1ubuntu2
ed	1.10-2
eject	2.1.5+deb1+cvs20081104-13.1
file	1:5.22+15-2ubuntu1
findutils	4.4.2-9build1
friendly-recovery	0.2.31
ftp	0.17-33
fuse	2.9.4-1ubuntu1
gcc-5-base:amd64	5.2.1-22ubuntu2
geoip-database	20150810-1
gettext-base	0.19.4-1ubuntu3
gir1.2-glib-2.0:amd64	1.44.0-1
gnupg	1.4.18-7ubuntu1
gpgv	1.4.18-7ubuntu1
grep	2.21-2
groff-base	1.22.3-1
grub-common	2.02~beta2-29
grub-gfxpayload-lists	0.7
grub-pc	2.02~beta2-29
grub-pc-bin	2.02~beta2-29
grub2-common	2.02~beta2-29
gzip	1.6-4ubuntu1
hdparm	9.43-1ubuntu3
hostname	3.15ubuntu2
ifupdown	0.7.54ubuntu1
info	6.0.0.dfsg.1-3
init	1.23ubuntu3
init-system-helpers	1.23ubuntu3
initramfs-tools	0.120ubuntu6
initramfs-tools-bin	0.120ubuntu6
initscripts	2.88dsf-59.2ubuntu2
insserv	1.14.0-5ubuntu3
install-info	6.0.0.dfsg.1-3
installation-report	2.56ubuntu1
iproute2	4.1.1-1ubuntu1
iptables	1.4.21-2ubuntu2
iputils-ping	3:20121221-5ubuntu2
iputils-tracepath	3:20121221-5ubuntu2
irqbalance	1.0.6-3ubuntu3
isc-dhcp-client	4.3.1-5ubuntu3
isc-dhcp-common	4.3.1-5ubuntu3
iso-codes	3.60-1
iw	3.17-1
kbd	1.15.5-1ubuntu4
keyboard-configuration	1.108ubuntu9
klibc-utils	2.0.3-0ubuntu1
kmod	21-1ubuntu1
krb5-locales	1.13.2+dfsg-2
language-selector-common	0.151
laptop-detect	0.13.7ubuntu2
less	458-3
libaccountsservice0:amd64	0.6.40-2ubuntu5
libacl1:amd64	2.2.52-2
libalgorithm-c3-perl	0.09-1
libapparmor-perl	2.10-0ubuntu6
libapparmor1:amd64	2.10-0ubuntu6
libapt-inst1.7:amd64	1.0.10.2ubuntu1
libapt-pkg4.16:amd64	1.0.10.2ubuntu1
libarchive-extract-perl	0.76-1
libasn1-8-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
libasprintf0v5:amd64	0.19.4-1ubuntu3
libatm1:amd64	1:2.5.1-1.5
libattr1:amd64	1:2.4.47-2
libaudit-common	1:2.4.2-1ubuntu1
libaudit1:amd64	1:2.4.2-1ubuntu1
libb-hooks-endofscope-perl	0.15-1
libb-hooks-op-check-perl	0.19-2build1
libbareword-filehandles-perl	0.003-1build2
libbind9-90	1:9.9.5.dfsg-11ubuntu1
libblkid1:amd64	2.26.2-6ubuntu3
libboost-iostreams1.58.0:amd64	1.58.0+dfsg-3.1ubuntu1
libbsd0:amd64	0.7.0-2
libbz2-1.0:amd64	1.0.6-8
libc-bin	2.21-0ubuntu4
libc6:amd64	2.21-0ubuntu4
libcap-ng0:amd64	0.7.6-1
libcap2:amd64	1:2.24-9
libcap2-bin	1:2.24-9
libcgi-fast-perl	1:2.10-1
libcgi-pm-perl	4.21-1
libck-connector0:amd64	0.4.6-5
libclass-accessor-perl	0.34-1
libclass-c3-perl	0.28-1
libclass-c3-xs-perl	0.13-2build1
libclass-method-modifiers-perl	2.11-1
libclass-xsaccessor-perl	1.19-2build3
libcomerr2:amd64	1.42.12-1ubuntu2
libcpan-changes-perl	0.400002-1
libcpan-meta-perl	2.150005-1
libcryptsetup4:amd64	2:1.6.6-5ubuntu2
libcurl3-gnutls:amd64	7.43.0-1ubuntu2
libcwidget3v5:amd64	0.5.17-3.1ubuntu2
libdata-optlist-perl	0.109-1
libdata-perl-perl	0.002009-1
libdata-section-perl	0.200006-1
libdb5.3:amd64	5.3.28-11
libdbus-1-3:amd64	1.10.0-1ubuntu1
libdbus-glib-1-2:amd64	0.104-1build1
libdebconfclient0:amd64	0.192ubuntu1
libdevel-caller-perl	2.06-1build2
libdevel-globaldestruction-perl	0.13-1
libdevel-lexalias-perl	0.05-1build2
libdevmapper1.02.1:amd64	2:1.02.99-1ubuntu1
libdiscover2	2.1.2-7ubuntu1
libdns-export100	1:9.9.5.dfsg-11ubuntu1
libdns100	1:9.9.5.dfsg-11ubuntu1
libdpkg-perl	1.18.2ubuntu5
libdrm2:amd64	2.4.64-1
libedit2:amd64	3.1-20150325-1ubuntu1
libelf1:amd64	0.163-4ubuntu1
libencode-locale-perl	1.03-1
libestr0	0.1.10-1
libexpat1:amd64	2.1.0-7
libexporter-tiny-perl	0.042-1
libfcgi-perl	0.77-1
libfdisk1:amd64	2.26.2-6ubuntu3
libffi6:amd64	3.2.1-3
libfile-fcntllock-perl	0.22-2ubuntu1
libfile-slurp-perl	9999.19-4
libfreetype6:amd64	2.5.2-4ubuntu2
libfribidi0:amd64	0.19.7-1
libfuse2:amd64	2.9.4-1ubuntu1
libgcc1:amd64	1:5.2.1-22ubuntu2
libgck-1-0:amd64	3.16.0-1ubuntu2
libgcr-3-common	3.16.0-1ubuntu2
libgcr-base-3-1:amd64	3.16.0-1ubuntu2
libgcrypt20:amd64	1.6.3-2ubuntu1
libgdbm3:amd64	1.8.3-13.1
libgeoip1:amd64	1.6.6-1
libgetopt-long-descriptive-perl	0.099-1
libgirepository-1.0-1:amd64	1.44.0-1
libglib2.0-0:amd64	2.46.1-1
libglib2.0-data	2.46.1-1
libgmp10:amd64	2:6.0.0+dfsg-7
libgnutls-deb0-28:amd64	3.3.15-5ubuntu2
libgnutls-openssl27:amd64	3.3.15-5ubuntu2
libgpg-error0:amd64	1.19-2
libgpm2:amd64	1.20.4-6.1
libgssapi-krb5-2:amd64	1.13.2+dfsg-2
libgssapi3-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
libhcrypto4-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
libheimbase1-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
libheimntlm0-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
libhogweed4:amd64	3.1.1-4
libhtml-parser-perl	3.71-2
libhtml-tagset-perl	3.20-2
libhttp-date-perl	6.02-1
libhttp-message-perl	6.06-1
libhx509-5-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
libicu55:amd64	55.1-4ubuntu1
libidn11:amd64	1.28-1ubuntu2
libimport-into-perl	1.002004-1
libindirect-perl	0.35-1
libio-html-perl	1.001-1
libio-string-perl	1.08-3
libio-stringy-perl	2.110-5
libirs-export91	1:9.9.5.dfsg-11ubuntu1
libisc-export95	1:9.9.5.dfsg-11ubuntu1
libisc95	1:9.9.5.dfsg-11ubuntu1
libisccc90	1:9.9.5.dfsg-11ubuntu1
libisccfg-export90	1:9.9.5.dfsg-11ubuntu1
libisccfg90	1:9.9.5.dfsg-11ubuntu1
libjson-c2:amd64	0.11-4ubuntu2
libk5crypto3:amd64	1.13.2+dfsg-2
libkeyutils1:amd64	1.5.9-5ubuntu1
libklibc	2.0.3-0ubuntu1
libkmod2:amd64	21-1ubuntu1
libkrb5-26-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
libkrb5-3:amd64	1.13.2+dfsg-2
libkrb5support0:amd64	1.13.2+dfsg-2
libldap-2.4-2:amd64	2.4.41+dfsg-1ubuntu2
liblexical-sealrequirehints-perl	0.009-1
liblist-moreutils-perl	0.413-1
liblocale-gettext-perl	1.05-9
liblog-message-perl	0.8-1
liblog-message-simple-perl	0.10-2
liblwp-mediatypes-perl	6.02-1
liblwres90	1:9.9.5.dfsg-11ubuntu1
liblzma5:amd64	5.1.1alpha+20120614-2ubuntu2
libmagic1:amd64	1:5.22+15-2ubuntu1
libmodule-build-perl	0.421400-1
libmodule-implementation-perl	0.09-1
libmodule-pluggable-perl	5.1-2
libmodule-runtime-perl	0.014-2
libmodule-signature-perl	0.79-1
libmoo-perl	2.000001-3
libmoox-handlesvia-perl	0.001008-2
libmount1:amd64	2.26.2-6ubuntu3
libmpdec2:amd64	2.4.1-1
libmro-compat-perl	0.12-1
libmultidimensional-perl	0.010-1build2
libnamespace-autoclean-perl	0.20-1
libnamespace-clean-perl	0.25-1
libncurses5:amd64	5.9+20150516-2ubuntu1
libncursesw5:amd64	5.9+20150516-2ubuntu1
libnettle6:amd64	3.1.1-4
libnewt0.52:amd64	0.52.18-1ubuntu1
libnfnetlink0:amd64	1.0.1-3
libnih-dbus1:amd64	1.0.3-4ubuntu27
libnih1:amd64	1.0.3-4ubuntu27
libnl-3-200:amd64	3.2.26-1
libnl-genl-3-200:amd64	3.2.26-1
libnuma1:amd64	2.0.10-1ubuntu6
libp11-kit0:amd64	0.23.1-3
libpackage-constants-perl	0.04-1
libpackage-stash-perl	0.37-1
libpackage-stash-xs-perl	0.28-2build1
libpadwalker-perl	2.1-1
libpam-modules:amd64	1.1.8-3.1ubuntu3
libpam-modules-bin	1.1.8-3.1ubuntu3
libpam-runtime	1.1.8-3.1ubuntu3
libpam0g:amd64	1.1.8-3.1ubuntu3
libparams-classify-perl	0.013-5
libparams-util-perl	1.07-2build1
libparams-validate-perl	1.20-1
libparse-debianchangelog-perl	1.2.0-5
libparted2:amd64	3.2-7ubuntu1
libpath-tiny-perl	0.072-1
libpcap0.8:amd64	1.7.4-1
libpci3:amd64	1:3.3.1-1ubuntu1
libpcre3:amd64	2:8.35-7.1ubuntu1
libpipeline1:amd64	1.4.1-1
libplymouth4:amd64	0.9.0-0ubuntu9
libpng12-0:amd64	1.2.51-0ubuntu3
libpod-latex-perl	0.61-2
libpod-markdown-perl	2.002000-1
libpod-readme-perl	1.1.2-1
libpolkit-gobject-1-0:amd64	0.105-11ubuntu2
libpopt0:amd64	1.16-10
libprocps3:amd64	1:3.3.9-1ubuntu8
libpython2.7:amd64	2.7.10-4ubuntu1
libpython2.7-minimal:amd64	2.7.10-4ubuntu1
libpython2.7-stdlib:amd64	2.7.10-4ubuntu1
libpython3-stdlib:amd64	3.4.3-4ubuntu1
libpython3.4-minimal:amd64	3.4.3-9ubuntu1
libpython3.4-stdlib:amd64	3.4.3-9ubuntu1
libreadline6:amd64	6.3-8ubuntu1
libroken18-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
librole-tiny-perl	2.000001-2
librtmp1:amd64	2.4+20150115.gita107cef-1build1
libsasl2-2:amd64	2.1.26.dfsg1-14
libsasl2-modules:amd64	2.1.26.dfsg1-14
libsasl2-modules-db:amd64	2.1.26.dfsg1-14
libseccomp2:amd64	2.2.3-2ubuntu1
libselinux1:amd64	2.3-2build1
libsemanage-common	2.3-1build2
libsemanage1:amd64	2.3-1build2
libsepol1:amd64	2.3-2
libsigc++-2.0-0v5:amd64	2.4.1-2
libslang2:amd64	2.3.0-2ubuntu1
libsmartcols1:amd64	2.26.2-6ubuntu3
libsoftware-license-perl	0.103010-4
libsqlite3-0:amd64	3.8.11.1-1
libss2:amd64	1.42.12-1ubuntu2
libssl1.0.0:amd64	1.0.2d-0ubuntu1
libstdc++6:amd64	5.2.1-22ubuntu2
libstrictures-perl	2.000001-2
libsub-exporter-perl	0.986-1
libsub-exporter-progressive-perl	0.001011-1
libsub-identify-perl	0.10-1
libsub-install-perl	0.928-1
libsub-name-perl	0.14-1
libsystemd0:amd64	225-1ubuntu9
libtasn1-6:amd64	4.5-2
libterm-ui-perl	0.46-1
libtext-charwidth-perl	0.04-7build4
libtext-iconv-perl	1.7-5build3
libtext-soundex-perl	3.4-1build2
libtext-template-perl	1.46-1
libtext-wrapi18n-perl	0.06-7
libtimedate-perl	2.3000-2
libtinfo5:amd64	5.9+20150516-2ubuntu1
libtry-tiny-perl	0.22-1
libtype-tiny-perl	1.000005-1
libtype-tiny-xs-perl	0.012-1
libudev1:amd64	225-1ubuntu9
libunicode-utf8-perl	0.60-1build1
liburi-perl	1.69-1
libusb-0.1-4:amd64	2:0.1.12-27
libusb-1.0-0:amd64	2:1.0.19-1
libustr-1.0-1:amd64	1.0.4-5
libuuid1:amd64	2.26.2-6ubuntu3
libvariable-magic-perl	0.58-1
libwind0-heimdal:amd64	1.6~rc2+dfsg-10ubuntu1
libwrap0:amd64	7.6.q-25
libx11-6:amd64	2:1.6.3-1ubuntu2
libx11-data	2:1.6.3-1ubuntu2
libxapian22v5	1.2.21-1.2
libxau6:amd64	1:1.0.8-1
libxcb1:amd64	1.11-0ubuntu1
libxdmcp6:amd64	1:1.1.2-1
libxext6:amd64	2:1.3.3-1
libxml2:amd64	2.9.2+zdfsg1-4
libxmuu1:amd64	2:1.1.2-1ubuntu1
libxtables10	1.4.21-2ubuntu2
linux-firmware	1.149
linux-generic	4.2.0.16.18
linux-headers-4.2.0-16	4.2.0-16.19
linux-headers-4.2.0-16-generic	4.2.0-16.19
linux-headers-generic	4.2.0.16.18
linux-image-4.2.0-16-generic	4.2.0-16.19
linux-image-extra-4.2.0-16-generic	4.2.0-16.19
linux-image-generic	4.2.0.16.18
locales	2.13+git20120306-21
login	1:4.1.5.1-1.1ubuntu7
logrotate	3.8.7-2ubuntu2
lsb-base	4.1+Debian11ubuntu8
lsb-release	4.1+Debian11ubuntu8
lshw	02.17-1.1ubuntu3
lsof	4.86+dfsg-1ubuntu2
ltrace	0.7.3-4ubuntu7
makedev	2.3.1-93ubuntu1
man-db	2.7.4-1
manpages	3.74-1ubuntu1
mawk	1.3.3-17ubuntu2
mime-support	3.58ubuntu1
mlocate	0.26-1ubuntu2
mount	2.26.2-6ubuntu3
mountall	2.54ubuntu1
mtr-tiny	0.85-3
multiarch-support	2.21-0ubuntu4
nano	2.4.2-1
ncurses-base	5.9+20150516-2ubuntu1
ncurses-bin	5.9+20150516-2ubuntu1
ncurses-term	5.9+20150516-2ubuntu1
net-tools	1.60-26ubuntu1
netbase	5.3
netcat-openbsd	1.105-7ubuntu1
ntfs-3g	1:2014.2.15AR.3-3
openssh-client	1:6.9p1-2
openssh-server	1:6.9p1-2
openssh-sftp-server	1:6.9p1-2
openssl	1.0.2d-0ubuntu1
os-prober	1.63ubuntu2
parted	3.2-7ubuntu1
passwd	1:4.1.5.1-1.1ubuntu7
pciutils	1:3.3.1-1ubuntu1
perl	5.20.2-6
perl-base	5.20.2-6
perl-modules	5.20.2-6
plymouth	0.9.0-0ubuntu9
plymouth-theme-ubuntu-text	0.9.0-0ubuntu9
popularity-contest	1.57ubuntu1
powermgmt-base	1.31+nmu1
ppp	2.4.6-3.1ubuntu1
pppconfig	2.3.21
pppoeconf	1.21ubuntu1
procps	1:3.3.9-1ubuntu8
psmisc	22.21-2build1
python-apt-common	1.0.1build1
python3	3.4.3-4ubuntu1
python3-apt	1.0.1build1
python3-chardet	2.3.0-1build1
python3-commandnotfound	0.3ubuntu15.10.1
python3-dbus	1.2.0-2build3
python3-distupgrade	1:15.10.14.1
python3-gdbm:amd64	3.4.3-4
python3-gi	3.16.2-1build1
python3-minimal	3.4.3-4ubuntu1
python3-pkg-resources	18.4-1
python3-requests	2.7.0-3
python3-six	1.9.0-5
python3-update-manager	1:15.10.3
python3-urllib3	1.11-1
python3.4	3.4.3-9ubuntu1
python3.4-minimal	3.4.3-9ubuntu1
readline-common	6.3-8ubuntu1
rename	0.20-4
resolvconf	1.77ubuntu1
rsync	3.1.1-3
rsyslog	8.12.0-1ubuntu2
sed	4.2.2-6.1
sensible-utils	0.0.9
sgml-base	1.26+nmu4ubuntu1
shared-mime-info	1.3-1
ssh-import-id	4.5-0ubuntu1
strace	4.8-1ubuntu5
sudo	1.8.12-1ubuntu3
systemd	225-1ubuntu9
systemd-sysv	225-1ubuntu9
sysv-rc	2.88dsf-59.2ubuntu2
sysvinit-utils	2.88dsf-59.2ubuntu2
tar	1.27.1-2
tasksel	2.88ubuntu17
tasksel-data	2.88ubuntu17
tcpd	7.6.q-25
tcpdump	4.7.4-1ubuntu1
telnet	0.17-40
time	1.7-25.1
tzdata	2015g-1
ubuntu-keyring	2012.05.19
ubuntu-minimal	1.341
ubuntu-release-upgrader-core	1:15.10.14.1
ubuntu-standard	1.341
ucf	3.0030
udev	225-1ubuntu9
ufw	0.34-2
update-manager-core	1:15.10.3
ureadahead	0.100.0-19
usbutils	1:007-3
util-linux	2.26.2-6ubuntu3
uuid-runtime	2.26.2-6ubuntu3
vim	2:7.4.712-2ubuntu4
vim-common	2:7.4.712-2ubuntu4
vim-runtime	2:7.4.712-2ubuntu4
vim-tiny	2:7.4.712-2ubuntu4
wget	1.16.1-1ubuntu1
whiptail	0.52.18-1ubuntu1
wireless-regdb	2014.11.18-1ubuntu1
xauth	1:1.0.9-1ubuntu2
xdg-user-dirs	0.15-2ubuntu5
xkb-data	2.12-1ubuntu1
xml-core	0.13+nmu2
xz-utils	5.1.1alpha+20120614-2ubuntu2
zlib1g:amd64	1:1.2.8.dfsg-2ubuntu4