MAC:Thu Feb 03:11:18:Downloads> python
Python 3.10.0 (v3.10.0:b494f5935c, Oct  4 2021, 14:59:19) [Clang 12.0.5 (clang-1205.0.22.11)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> 5 + 4
9
>>> 5*4
20
>>> 5 - 4
1
>>> 5/4
1.25
>>> 5//4
1
>>> 5%4
1
>>> #infix binary operator
>>> 5**4
625
>>> 5^4
1
>>> 6^4
2
>>> 7^4
3
>>> 8^4
12
>>> 9^4
13
>>> # thisis a comment
>>> # ordeer of ops is wormwoodean
>>> type(5)
<class 'int'>
>>> 2**1000
10715086071862673209484250490600018105614048117055336074437503883703510511249361224931983788156958581275946729175531468251871452856923140435984577574698574803934567774824230985421074605062371141877954182153046474983581941267398767559165543946077062914571196477686542167660429831652624386837205668069376
>>> (3 + 4)*5
35
>>> 3/5
0.6
>>> .1 + .1 + .1 == .3
False
>>> .1 + .1 + .1
0.30000000000000004
>>> # dyadic rational: fraction with a denom of a power of 2
>>> 1/3
0.3333333333333333
>>> 7/8 == .875
True
>>> # IEEE754 double precision floating point number
>>> type(.3)
<class 'float'>
>>> type(True)
<class 'bool'>
>>> not True
False
>>> not False
True
>>> True or False
True
>>> False or True
True
>>> False or False
False
>>> True or True
True
>>> True and True
True
>>> True and False
False
>>> False and Treu
False
>>> False and True
False
>>> False and False
False
>>> True and True
True
>>> #reational operator
>>> 2 + 2 == 4  
True
>>> 2 + 2 < 4
False
>>> 2 + 2 > 4
False
>>> 4 >= 5
False
>>> 4 <= 5
True
>>> 2 + 2 != 4
False
>>> z = complex(1,2)
>>> z**3
(-11-2j)
>>> z.conjugate()
(1-2j)
>>> z
(1+2j)
>>> z.magnitude()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'complex' object has no attribute 'magnitude'
>>> abs(z)
2.23606797749979
>>> foo = 2.23606797749979
>>> foo*foo
5.000000000000001
>>> 4 + .7
4.7
>>> 2**10000 *.3
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: int too large to convert to float
>>> 2**1000 *.3
3.214525821558802e+300
>>> "hello"
'hello'
>>> 'hello'
'hello'
>>> 'hello'[0]
'h'
>>> 'hello'[5]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
IndexError: string index out of range
>>> 'hello'[1:5]
'ello'
>>> 'hello'.upper()
'HELLO'
>>> len('hello')
5
>>> 'hello'[:2]
'he'
>>> 'hello'[2:]
'llo'
>>> 'hello'[:2] + 'hello'[2:]
'hello'
>>> 'hello'.find('h')
0
>>> 'hello'.find('z')
-1
>>>