In [11]:

    

# This is some IPython %magic
%xmode plain


    

    




Exception reporting mode: Plain

In [2]:

    

len("hello")


    

    
Out[2]:





5

In [1]:

    

"hello" + "!"


    

    
Out[1]:





'hello!'

In [3]:

    

"l" in "hello"


    

    
Out[3]:





True

In [4]:

    

"hello"[-3:]


    

    
Out[4]:





'llo'

In [12]:

    

# Busted
count = 3
"Number of items: " + count


    

    




Traceback (most recent call last):

  File "<ipython-input-12-f76e725a32aa>", line 3, in <module>
    "Number of items: " + count

TypeError: cannot concatenate 'str' and 'int' objects

In [9]:

    

# OK, but there's a better way
name = "Peter"
greeting = "Hello"
"%s, %s, what's happenning?" % (greeting, name)


    

    
Out[9]:





"Hello, Peter, what's happenning?"

In [13]:

    

"{}, {}, what's happenning?".format(greeting, name)


    

    
Out[13]:





"Hello, Peter, what's happenning?"

In [18]:

    

print "Number of items: ---{:05}---".format(count)
print "Number of items: ---{:>5}---".format(count)
print "Number of items: ---{:<5}---".format(count)


    

    




Number of items: ---00003---
Number of items: ---    3---
Number of items: ---3    ---

In [26]:

    

from string import ascii_lowercase
print ascii_lowercase
a_f = list(ascii_lowercase[:6])
print a_f
letters = ", ".join(letters)
print letters


    

    




abcdefghijklmnopqrstuvwxyz
['a', 'b', 'c', 'd', 'e', 'f']
a, b, c, d, e, f

In [28]:

    

letters.split(", ")


    

    
Out[28]:





['a', 'b', 'c', 'd', 'e', 'f']