Python/Unix Calculator

david@second:~$ cat /home/david/.local/bin/=
#!/usr/bin/env python
__import__("sys").argv[1:] and __import__("subprocess").Popen(("bc","-lq"),?
stdin=__import__("subprocess").PIPE).communicate(" ".join(__import__("sys")?
.argv[1:]+["\n"])) or __import__("os").waitpid(__import__("subprocess")?
.Popen(("bc","-lq")).pid,0)
david@second:~$ = '5*5 + 5'
30
david@second:~$ =
3+1
4
last*2
8
david@second:~$