raw_input([prompt]) -> string

print "Please input a num:"
k = raw_input()
print k
print type(k)

Please input a num:
23
23
<type 'str'>

print "Please input a num:"
n = int(raw_input())
print n
print type(n)

Please input a num:
23
23
<type 'int'>

print "please input list s:"
s = list(raw_input())
print s
print type(s)

please input list s:
23
['2', '3']
<type 'list'>

input([prompt]) -> value
Equivalent to eval(raw_input(prompt))

print "please input something :"
m = input()
print m
print type(m)

please input something :
23
23
<type 'int'>

please input something :
abc
Traceback (most recent call last):
 File "D:/python test/ceshi1.py", line 24, in <module>
 m = str(input())
 File "<string>", line 1, in <module>
NameError: name 'abc' is not defined

print "please input something :"
m = str(input())
print m
print type(m)

please input something :
23
23
<type 'str'>

print "please input something :"
m = int(input())
print m
print ty

please input something :
23.5
23
<type 'int'>