In [1]:
  File "<ipython-input-1-edff0251ebfd>", line 3
    for k = 1:n-1
          ^
SyntaxError: invalid syntax
In [2]:
a = [1, 2 , 3 , 4]
b = [0, 1, 2, 3]

a+b
Out[2]:
[1, 2, 3, 4, 0, 1, 2, 3]
In [3]:
print a
[1, 2, 3, 4]
In [7]:
a[1]
Out[7]:
2
In [8]:
a[0:2]
Out[8]:
[1, 2]
In [14]:
def funcao(a,b):
    c = a[0]+b[0]
    d = a[1]+b[1]
    return(c, d)
funcao(a, b)    
Out[14]:
(1, 3)
In [ ]:
a
In [ ]:
a = x + 1
In [ ]: