python intro

gistfile1.py

In [1]: print "hello"
hello

In [2]: 1+1
Out[2]: 2

In [3]: added = 1 + 1

In [4]: print added
2

In [5]: alist = [1, 2, 3, 4]

In [6]: len(alist)
Out[6]: 4

In [7]: alist[0]
Out[7]: 1

In [8]: adict = {"one": 1, "two": 2, "three": 3}

In [9]: len(adict)
Out[9]: 3

In [10]: adict["one"]
Out[10]: 1

In [11]: aset = set([1, 2, 3, 2, 3])

In [12]: aset
Out[12]: set([1, 2, 3])

In [13]: aset[0]
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)