Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> print("This program will convert a distance in miles to the equivalent distance in kilometers.")
This program will convert a distance in miles to the equivalent distance in kilometers.
>>> 5**100
7888609052210118054117285652827862296732064351090230047702789306640625
>>> "word"
'word'
>>> a= "word"
>>> a
'word'
>>> b = "new"
>>> a+b
'wordnew'
>>> b+a
'newword'
>>> b + " " + a
'new word'
>>> a + 9.0
Traceback (most recent call last):
  File "<pyshell#9>", line 1, in <module>
    a + 9.0
TypeError: can only concatenate str (not "float") to str
>>> type(a)
<class 'str'>
>>> type(9.0)
<class 'float'>
>>> a + str(9.0)
'word9.0'
>>>