Lists

Tuples



In [50]:

    
# empty tuple
t = tuple()
# or
t = ()



In [52]:

    
# non-empty tuple
t = (0,1)



In [53]:

    
# get its length
len(t)









    Out[53]:





2



In [54]:

    
# one element tuple
t = (0,)



In [74]:

    
# create tuples
t1 = (1,2,3)
t2 = (4,5,6)
t = t1+t2
t3 = 6,7,8
print "t = %s and t3=%s" % (t, t3)









    



t = (1, 2, 3, 4, 5, 6) and t3=(6, 7, 8)



In [62]:

    
# get the second element
t[1]









    Out[62]:





2



In [63]:

    
# get the nex to last element
t[-2]









    Out[63]:





5



In [75]:

    
# slice the tuple
t[1:4]









    Out[75]:





(2, 3, 4)



In [65]:

    
# this wont work
t.count(3)









    Out[65]:





1



In [76]:

    
# safe as for list
t.index(3)









    Out[76]:





2



In [71]:

    
# min and max
min(t), min(t)









    Out[71]:





(1, 1)



In [42]:

    
# tuple from a list
t = tuple([1,2,3,4])









    Out[42]:





(1, 2, 3, 4)



In [ ]:

    
t + (5,)