Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 10:38:22) [MSC v.1600 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> msg = "The value of x is:"
>>> x = 15
>>> print(msg, x)
The value of x is: 15
>>> print(msg,x)
The value of x is: 15
>>> x=15
>>> print(msg,x)
The value of x is: 15
>>> total = round(19.973, 2)
>>> total
19.97
>>> a = "The total is $" + total + "."
Traceback (most recent call last):
  File "<pyshell#8>", line 1, in <module>
    a = "The total is $" + total + "."
TypeError: Can't convert 'float' object to str implicitly
>>> a = "The total is $" + str(total) + "."
>>> print("The total is $", total, '.')
The total is $ 19.97 .
>>> print(a)
The total is $19.97.
>>> 'The total is $%.2f.' % (total)
'The total is $19.97.'
>>> str_total = format(total, '.2f')
>>> type(str_total)
<class 'str'>
>>> a = "The total is $"+total+'.'
Traceback (most recent call last):
  File "<pyshell#15>", line 1, in <module>
    a = "The total is $"+total+'.'
TypeError: Can't convert 'float' object to str implicitly
>>> a = "The total is $"+str_total+'.'
>>> print(a)
The total is $19.97.
>>> b = "My name is Zeus!"
>>> b.lower().capitalize()
'My name is zeus!'
>>> b
'My name is Zeus!'
>>> print(b)
My name is Zeus!
>>> b.lower()
'my name is zeus!'
>>> c = b.lower()
>>> c.capitalize()
'My name is zeus!'
>>> c = '12345'
>>> c.lower()
'12345'
>>> c.capitalize()
'12345'
>>> dir()
['__builtins__', '__doc__', '__loader__', '__name__', '__package__', '__spec__', 'a', 'b', 'c', 'msg', 'str_total', 'total', 'x']
>>> dir(b)
['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__gt__', '__hash__', '__init__', '__iter__', '__le__', '__len__', '__lt__', '__mod__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmod__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'capitalize', 'casefold', 'center', 'count', 'encode', 'endswith', 'expandtabs', 'find', 'format', 'format_map', 'index', 'isalnum', 'isalpha', 'isdecimal', 'isdigit', 'isidentifier', 'islower', 'isnumeric', 'isprintable', 'isspace', 'istitle', 'isupper', 'join', 'ljust', 'lower', 'lstrip', 'maketrans', 'partition', 'replace', 'rfind', 'rindex', 'rjust', 'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith', 'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill']
>>> print(b)
My name is Zeus!
>>> b
'My name is Zeus!'
>>> b.find('Zeus')
11
>>> b.find('zeus')
-1
>>> b.find('ZEUS')
-1
>>> c = b.lower()
>>> c.find('zeus')
11
>>> c.find('Zeus')
-1
>>> c.index('zeus')
11
>>> c.index('Zeus')
Traceback (most recent call last):
  File "<pyshell#39>", line 1, in <module>
    c.index('Zeus')
ValueError: substring not found
>>> c.index.lower()
Traceback (most recent call last):
  File "<pyshell#40>", line 1, in <module>
    c.index.lower()
AttributeError: 'builtin_function_or_method' object has no attribute 'lower'
>>> d = 'Zeus'
>>> c.index(d)
Traceback (most recent call last):
  File "<pyshell#42>", line 1, in <module>
    c.index(d)
ValueError: substring not found
>>> c.index('Zeus')
Traceback (most recent call last):
  File "<pyshell#43>", line 1, in <module>
    c.index('Zeus')
ValueError: substring not found
>>> b.find(d.lower())
-1
>>> b
'My name is Zeus!'
>>> c
'my name is zeus!'
>>> e = d.lower()
>>> e
'zeus'
>>> c.find(e)
11
>>> c.find(d.lower())
11
>>> d = 'Zeus'
>>> c.find(d.lower())
11
>>> d = 'ZEUS'
>>> c.find(d.lower())
11
>>> input("Please enter your name: ")
Please enter your name: Michael Lipschultz
'Michael Lipschultz'
>>> name = input("Please enter your name: ")
Please enter your name: Michael Lipschultz
>>> name
'Michael Lipschultz'
>>> ================================ RESTART ================================
>>> 
Please enter your name: Michael
Your name is Michael
The length of your name is: 7
>>> name
'Michael'
>>> type(name)
<class 'str'>
>>> number = input("What is your favorite number? ")
What is your favorite number? 15
>>> type(number)
<class 'str'>
>>> number =  float(number)
>>> type(number)
<class 'float'>
>>> number = float(input("What is your favorite number? "))
What is your favorite number? -28.3
>>> type(number)
<class 'float'>
>>> number = float(input("What is your favorite number? "))
What is your favorite number? two
Traceback (most recent call last):
  File "<pyshell#66>", line 1, in <module>
    number = float(input("What is your favorite number? "))
ValueError: could not convert string to float: 'two'
>>> log10(1000)
Traceback (most recent call last):
  File "<pyshell#67>", line 1, in <module>
    log10(1000)
NameError: name 'log10' is not defined
>>> math.log10(1000)
Traceback (most recent call last):
  File "<pyshell#68>", line 1, in <module>
    math.log10(1000)
NameError: name 'math' is not defined
>>> import math
>>> math.log10(1000)
3.0
>>> math.log(1000)
6.907755278982137
>>> math.log(1000, 10)
2.9999999999999996
>>> from math import pow
>>> pow(2, 3)
8.0
>>> math.floor(3.4)
3
>>> math.ceil(3.4)
4
>>> ================================ RESTART ================================
>>> 
Please enter your name: Michael
Your name is Michael
The length of your name is: 7
>>> name
'Michael'
>>> True
True
>>> False
False
>>> 15.3
15.3
>>> "This is a string."
'This is a string.'
>>> true
Traceback (most recent call last):
  File "<pyshell#82>", line 1, in <module>
    true
NameError: name 'true' is not defined
>>> false
Traceback (most recent call last):
  File "<pyshell#83>", line 1, in <module>
    false
NameError: name 'false' is not defined
>>> x = 5
>>> y =9
>>> x < y
True
>>> x > y
False
>>> x <= y
True
>>> x <= 5
True
>>> y >= 9
True
>>> 15.0 >= 2
True
>>> 1 == 1
True
>>> 1 != 0
True
>>> x == 5
True
>>> x = 5
>>> 1 =! 0
SyntaxError: invalid syntax
>>> 5 >= 0
True
>>> 5 => 0
SyntaxError: invalid syntax
>>> a = 'cat'
>>> b = "cat"
>>> a == b
True
>>> b = 'Cat'
>>> a == b
False
>>> b = 'cats'
>>> a == b
False
>>> b = 'tac'
>>> a == b
False
>>> b = 'Cat'
>>> a
'cat'
>>> a != b
True
>>> 'cat' < 'Cat'
False
>>> 'abc' < 'xyz'
True
>>> 'abc' < 'XYZ'
False
>>> 19 > 5
True
>>> "cat" > "15"
True
>>> 19 > "15"
Traceback (most recent call last):
  File "<pyshell#116>", line 1, in <module>
    19 > "15"
TypeError: unorderable types: int() > str()
>>> 19 > "cat"
Traceback (most recent call last):
  File "<pyshell#117>", line 1, in <module>
    19 > "cat"
TypeError: unorderable types: int() > str()
>>> str(19)
'19'
>>> str(19) > "15"
True
>>> 'C' > 15
Traceback (most recent call last):
  File "<pyshell#120>", line 1, in <module>
    'C' > 15
TypeError: unorderable types: str() > int()
>>> ord('C')
67
>>> ord('C') > 19
True
>>> 'C' > "15"
True
>>> ord('15')
Traceback (most recent call last):
  File "<pyshell#124>", line 1, in <module>
    ord('15')
TypeError: ord() expected a character, but string of length 2 found
>>> ord('1'), ord('5')
(49, 53)
>>> int('15')
15
>>> math.log10(1000)
Traceback (most recent call last):
  File "<pyshell#127>", line 1, in <module>
    math.log10(1000)
NameError: name 'math' is not defined
>>> import math
>>> math.log10(1000)
3.0
>>> math.log(1000, 10)
2.9999999999999996
>>> x = 9.3 / 7.8
>>> y = (10*9.3) / (10*7.8)
>>> x == y
False
>>> x
1.1923076923076925
>>> y
1.1923076923076923
>>> z = 15.0
>>> a = 3*5.0
>>> a == z
True
>>> abs(-15)
15
>>> abs(x)
1.1923076923076925
>>> abs(x-y)
2.220446049250313e-16
>>> THRESHOLD = 0.0000000001
>>> abs(x-y) < THRESHOLD
True
>>> THRESHOLD
1e-10
>>> THRESHOLD = 1
>>> THRESHOLD
1
>>> math.PI
Traceback (most recent call last):
  File "<pyshell#147>", line 1, in <module>
    math.PI
AttributeError: 'module' object has no attribute 'PI'
>>> math.pi
3.141592653589793
>>> math.pi = 3
>>> math.pi
3
>>> a = "My name is Zeus!"
>>> a.beginswith('My')
Traceback (most recent call last):
  File "<pyshell#152>", line 1, in <module>
    a.beginswith('My')
AttributeError: 'str' object has no attribute 'beginswith'
>>> a.beginwith('My')
Traceback (most recent call last):
  File "<pyshell#153>", line 1, in <module>
    a.beginwith('My')
AttributeError: 'str' object has no attribute 'beginwith'
>>> dir(a)
['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__gt__', '__hash__', '__init__', '__iter__', '__le__', '__len__', '__lt__', '__mod__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmod__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'capitalize', 'casefold', 'center', 'count', 'encode', 'endswith', 'expandtabs', 'find', 'format', 'format_map', 'index', 'isalnum', 'isalpha', 'isdecimal', 'isdigit', 'isidentifier', 'islower', 'isnumeric', 'isprintable', 'isspace', 'istitle', 'isupper', 'join', 'ljust', 'lower', 'lstrip', 'maketrans', 'partition', 'replace', 'rfind', 'rindex', 'rjust', 'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith', 'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill']
>>> a.startswith('My')
True
>>> a
'My name is Zeus!'
>>> a.startswith('my')
False
>>> a.startswith('y')
False
>>> a.endswith('Zeus')
False
>>> a.endswith('Zeus!')
True
>>> a.endswith('!')
True
>>> a.startswith('My ')
True
>>> a.startswith('Myn')
False
>>> len(a)
16
>>> len(a) < 20
True
>>>