Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 00:54:21) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "copyright", "credits" or "license()" for more information.
>>> WARNING: The version of Tcl/Tk (8.5.9) in use may be unstable.
Visit http://www.python.org/download/mac/tcltk/ for current information.

>>> 
>>> input()
21
'21'
>>> input("age?")
age?21
'21'
>>> input("age? ")
age? 21
'21'
>>> age = input("age? ")
age? 21
>>> age
'21'
>>> age + 1
Traceback (most recent call last):
  File "<pyshell#7>", line 1, in <module>
    age + 1
TypeError: Can't convert 'int' object to str implicitly
>>> type(age)
<class 'str'>
>>> age + "1"
'211'
>>> age = int(input("age? "))
age? 21
>>> age
21
>>> type(age)
<class 'int'>
>>> age + 1
22
>>> age
21
>>> age = age + 1
>>> age
22
>>> name = input("what is your name? ")
what is your name? Monica
>>> name
'Monica'
>>> 
>>> 
>>> 
>>> def = 3
SyntaxError: invalid syntax
>>> ================================ RESTART ================================
>>> 
>>> increment
<function increment at 0x1027b3400>
>>> decrement
Traceback (most recent call last):
  File "<pyshell#24>", line 1, in <module>
    decrement
NameError: name 'decrement' is not defined
>>> age = 21
>>> increment(age)
Traceback (most recent call last):
  File "<pyshell#26>", line 1, in <module>
    increment(age)
  File "/Users/monica/Desktop/00_CS2316-2015-summer-Metz/code2.py", line 3, in increment
    print("the age is " + age)
TypeError: Can't convert 'int' object to str implicitly
>>> ================================ RESTART ================================
>>> 
>>> increment(age)
Traceback (most recent call last):
  File "<pyshell#27>", line 1, in <module>
    increment(age)
NameError: name 'age' is not defined
>>> age = 21
>>> increment(age)
the age is 22
>>> age
21
>>> x = 6
>>> increment(x)
the age is 7
>>> x
6
>>> 
>>> 
>>> increment(20)
the age is 21
>>> 20
20
>>> age
21
>>> ================================ RESTART ================================
>>> 
>>> repeatedly("hi")
hihihi
>>> repeatedly(7)
21
>>> repeatedly("7")
777
>>> repeatedly(7.0)
21.0
>>>