I am having some trouble installing Python.

knoppix@Microknoppix:~$ sudo apt-get install python3.4
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
librrd4 ntop-data python-mako python-markupsafe
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
libdb5.3 libmpdec2 libpython3.4-minimal libpython3.4-stdlib
Suggested packages:
python3.4-venv python3.4-doc
The following NEW packages will be installed:
libdb5.3 libmpdec2 libpython3.4-minimal libpython3.4-stdlib python3.4
0 upgraded, 6 newly installed, 0 to remove and 488 not upgraded.
1 not fully installed or removed.
Need to get 4,804 kB of archives.
After this operation, 19.0 MB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://ftp.de.debian.org/debian/ testing/main libdb5.3 i386 5.3.28-3 [662 kB]
Get:2 http://ftp.de.debian.org/debian/ testing/main libmpdec2 i386 2.4.0-6 [76.4 kB]
Get:3 http://ftp.de.debian.org/debian/ unstable/main libpython3.4-minimal i386 3.4.1-6 [484 kB]
Get:4 http://ftp.de.debian.org/debian/ unstable/main libpython3.4-stdlib i386 3.4.1-6 [2,018 kB]
Get:5 http://ftp.de.debian.org/debian/ unstable/main python3.4-minimal i386 3.4.1-6 [1,366 kB]
Get:6 http://ftp.de.debian.org/debian/ unstable/main python3.4 i386 3.4.1-6 [198 kB]
Fetched 4,804 kB in 7s (621 kB/s)
Selecting previously unselected package libdb5.3:i386.
(Reading database ... 459131 files and directories currently installed.)
Unpacking libdb5.3:i386 (from .../libdb5.3_5.3.28-3_i386.deb) ...
Selecting previously unselected package libmpdec2:i386.
Unpacking libmpdec2:i386 (from .../libmpdec2_2.4.0-6_i386.deb) ...
Selecting previously unselected package libpython3.4-minimal:i386.
Unpacking libpython3.4-minimal:i386 (from .../libpython3.4-minimal_3.4.1-6_i386.deb) ...
Selecting previously unselected package libpython3.4-stdlib:i386.
Unpacking libpython3.4-stdlib:i386 (from .../libpython3.4-stdlib_3.4.1-6_i386.deb) ...
Selecting previously unselected package python3.4-minimal.
Unpacking python3.4-minimal (from .../python3.4-minimal_3.4.1-6_i386.deb) ...
Selecting previously unselected package python3.4.
Unpacking python3.4 (from .../python3.4_3.4.1-6_i386.deb) ...
Processing triggers for man-db ...
Processing triggers for menu ...
Processing triggers for gnome-menus ...
Processing triggers for desktop-file-utils ...
dpkg: dependency problems prevent configuration of libglib2.0-dev:
libglib2.0-dev depends on python:any (>= 2.6.6-7~).

dpkg: error processing libglib2.0-dev (--configure):
dependency problems - leaving unconfigured
Setting up libdb5.3:i386 (5.3.28-3) ...
Setting up libmpdec2:i386 (2.4.0-6) ...
Setting up libpython3.4-minimal:i386 (3.4.1-6) ...
Setting up libpython3.4-stdlib:i386 (3.4.1-6) ...
Setting up python3.4-minimal (3.4.1-6) ...
Setting up python3.4 (3.4.1-6) ...
Processing triggers for menu ...
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)