Python 3.11.5 (main, Sep 11 2023, 08:31:25) [Clang 14.0.6 ]

Type "copyright", "credits" or "license" for more information.

IPython 8.15.0 -- An enhanced Interactive Python.

In [1]: runfile('/Users/py4cs/Desktop/odeintexample1.py', wdir='/Users/py4cs/Desktop')

In [2]: sol

Out[2]:

message: The solver successfully reached the end of the integration interval.

success: True

status: 0

t: [ 0.000e+00 1.000e-01 ... 1.900e+00 2.000e+00]

y: [[ 1.700e+01 1.392e+01 ... 3.811e-01 3.120e-01]]

sol: None

t_events: None

y_events: None

nfev: 38

njev: 0

nlu: 0

In [3]: sol.t

Out[3]:

array([0. , 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1. , 1.1, 1.2,

1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2. ])

In [4]: sol.y[0]

Out[4]:

array([17. , 13.91803459, 11.39009556, 9.32278191, 7.63617431,

6.25746971, 5.12334884, 4.19316704, 3.43317972, 2.81244906,

2.30338172, 1.88520903, 1.54320601, 1.26397497, 1.0354715 ,

0.84761959, 0.69375028, 0.56808723, 0.46540526, 0.38112148,

0.31203619])

In [5]: runfile('/Users/py4cs/Desktop/odeintexample1.py', wdir='/Users/py4cs/Desktop')

In [6]: runfile('/Users/py4cs/Desktop/odeintexample2.py', wdir='/Users/py4cs/Desktop')

In [7]: runfile('/Users/py4cs/Desktop/odeintexample1dHO.py', wdir='/Users/py4cs/Desktop')

In [8]: runfile('/Users/py4cs/Desktop/odeintexample1dHO.py', wdir='/Users/py4cs/Desktop')

In [9]: runfile('/Users/py4cs/Desktop/odeintexample1dHO.py', wdir='/Users/py4cs/Desktop')

In [10]: runfile('/Users/py4cs/Desktop/odeintexample1dHO.py', wdir='/Users/py4cs/Desktop')

In [11]: runfile('/Users/py4cs/Desktop/odeintexample1dHO.py', wdir='/Users/py4cs/Desktop')

In [12]: runfile('/Users/py4cs/Desktop/odeintexample1.py', wdir='/Users/py4cs/Desktop')

In [13]: runfile('/Users/py4cs/Desktop/odeintexample1.py', wdir='/Users/py4cs/Desktop')

In [14]: sol

Out[14]:

message: The solver successfully reached the end of the integration interval.

success: True

status: 0

t: [ 0.000e+00 4.082e-02 ... 1.959e+00 2.000e+00]

y: [[ 1.000e+01 9.216e+00 ... 1.992e-01 1.836e-01]]

sol: None

t_events: None

y_events: None

nfev: 38

njev: 0

nlu: 0

In [15]: runfile('/Users/py4cs/Desktop/mixstrings.py', wdir='/Users/py4cs/Desktop')

In [16]: mixstrings("One", "Two")

Out[16]: 'OTnweo'

In [17]: t = ["This", "is", "a", "test"]

In [18]: t

Out[18]: ['This', 'is', 'a', 'test']

In [19]: "-".join(t)

Out[19]: 'This-is-a-test'

In [20]: " ".join(t)

Out[20]: 'This is a test'

In [21]: " ".join(t)

Out[21]: 'This is a test'

In [22]: "".join(t)

Out[22]: 'Thisisatest'

In [23]: test_mixstrings_basic()

Traceback (most recent call last):

Cell In[23], line 1

test_mixstrings_basic()

NameError: name 'test_mixstrings_basic' is not defined

In [24]: test_mixstrings_basics()

In [25]: runfile('/Users/py4cs/Desktop/mixstrings.py', wdir='/Users/py4cs/Desktop')

Traceback (most recent call last):

File ~/anaconda3/lib/python3.11/site-packages/spyder_kernels/py3compat.py:356 in compat_exec

exec(code, globals, locals)

File ~/Desktop/mixstrings.py:40

test_mixstrings_basics()

File ~/Desktop/mixstrings.py:26 in test_mixstrings_basics

assert mixstrings("hello", "world") == "hweolrllod"

AssertionError

In [26]: mixstrings("One", "Two")

Out[26]: 'OTnweoX'

In [27]: test_mixstrings_basics()

Traceback (most recent call last):

Cell In[27], line 1

test_mixstrings_basics()

File ~/Desktop/mixstrings.py:26 in test_mixstrings_basics

assert mixstrings("hello", "world") == "hweolrllod"

AssertionError

In [28]: mixstrings("hello", "world")

Out[28]: 'hweolrllodX'

In [29]: mixstrings("hello", "world") == "hweolrllod"

Out[29]: False

In [30]: runfile('/Users/py4cs/Desktop/mixstrings.py', wdir='/Users/py4cs/Desktop')

In [31]: isinstance?

Signature: isinstance(obj, class_or_tuple, /)

Docstring:

Return whether an object is an instance of a class or of a subclass thereof.

A tuple, as in ``isinstance(x, (A, B, ...))``, may be given as the target to

check against. This is equivalent to ``isinstance(x, A) or isinstance(x, B)

or ...`` etc.

Type: builtin_function_or_method

In [32]: isinstance(4, int)

Out[32]: True

In [33]: runfile('/Users/py4cs/Desktop/factorial.py', wdir='/Users/py4cs/Desktop')

============================= test session starts ==============================

platform darwin -- Python 3.11.5, pytest-7.4.0, pluggy-1.0.0 -- /Users/py4cs/anaconda3/bin/python

cachedir: .pytest_cache

rootdir: /Users/py4cs/Desktop

plugins: anyio-3.5.0

collected 4 items

factorial.py::test_basics PASSED [ 25%]

factorial.py::test_against_standard_lib PASSED [ 50%]

factorial.py::test_negative_number_raises_error PASSED [ 75%]

factorial.py::test_noninteger_number_raises_error PASSED [100%]

============================== 4 passed in 0.01s ===============================

In [34]: factorial(3)

Out[34]: 6

In [35]: factorial(-1)

Traceback (most recent call last):

Cell In[35], line 1

factorial(-1)

File ~/Desktop/factorial.py:15 in factorial

raise ValueError(f"n should be > 0 but n={n}")

ValueError: n should be > 0 but n=-1

In [36]: factorial(0.1)

Traceback (most recent call last):

Cell In[36], line 1

factorial(0.1)

File ~/Desktop/factorial.py:20 in factorial

raise TypeError(f"n must be integer but is {type(n)}.")

TypeError: n must be integer but is <class 'float'>.

In [37]: raise ValueError("XXXXXXXXX")

Traceback (most recent call last):

Cell In[37], line 1

raise ValueError("XXXXXXXXX")

ValueError: XXXXXXXXX

In [38]: factorial(-100)

Traceback (most recent call last):

Cell In[38], line 1

factorial(-100)

File ~/Desktop/factorial.py:15 in factorial

raise ValueError(f"n should be > 0 but n={n}")

ValueError: n should be > 0 but n=-100

In [39]: runfile('/Users/py4cs/Desktop/factorial.py', wdir='/Users/py4cs/Desktop')

Reloaded modules: factorial

============================= test session starts ==============================

platform darwin -- Python 3.11.5, pytest-7.4.0, pluggy-1.0.0 -- /Users/py4cs/anaconda3/bin/python

cachedir: .pytest_cache

rootdir: /Users/py4cs/Desktop

plugins: anyio-3.5.0

collected 4 items

factorial.py::test_basics PASSED [ 25%]

factorial.py::test_against_standard_lib PASSED [ 50%]

factorial.py::test_negative_number_raises_error PASSED [ 75%]

factorial.py::test_noninteger_number_raises_error PASSED [100%]

============================== 4 passed in 0.01s ===============================

In [40]: runcell(0, '/Users/py4cs/Desktop/Time.py')

In [41]: Time

Out[41]: __main__.Time

In [42]: Time()

Traceback (most recent call last):

Cell In[42], line 1

Time()

TypeError: Time.__init__() missing 2 required positional arguments: 'hour' and 'min'

In [43]: Time(10, 29)

Out[43]: <__main__.Time at 0x1090b29d0>

In [44]: t = Time(10, 29)

In [45]: type(t)

Out[45]: __main__.Time

In [46]: t.hour

Out[46]: 10

In [47]: t.min

Out[47]: 29

In [48]: t.print12h

Out[48]: <bound method Time.print12h of <__main__.Time object at 0x1094fa250>>

In [49]: t.print12h()

10:29 am

In [50]: t.print24h()

10:29

In [51]: c = 3 + 10j

In [52]: c.imag

Out[52]: 10.0

In [53]: c.real

Out[53]: 3.0

In [54]: c.conjugate()

Out[54]: (3-10j)

In [55]: t.print24h()

10:29

In [56]: runfile('/Users/py4cs/Desktop/Time.py', wdir='/Users/py4cs/Desktop')

Reloaded modules: factorial

print as 24h:

Traceback (most recent call last):

File ~/anaconda3/lib/python3.11/site-packages/spyder_kernels/py3compat.py:356 in compat_exec

exec(code, globals, locals)

File ~/Desktop/Time.py:24

t.print24h()

File ~/Desktop/Time.py:7 in print24h

print(f"{self.hour:2}:{self.min_:2}")

AttributeError: 'Time' object has no attribute 'min_'

In [57]: runfile('/Users/py4cs/Desktop/Time.py', wdir='/Users/py4cs/Desktop')

print as 24h:

15:45

print as 12h:

3:45 pm

The time is 15 hours and 45 minutes.

In [58]: complex?

Init signature: complex(real=0, imag=0)

Docstring:

Create a complex number from a real part and an optional imaginary part.

This is equivalent to (real + imag*1j) where imag defaults to 0.

Type: type

Subclasses: complex128

In [59]: complex(1, 3)

Out[59]: (1+3j)

In [60]: runcell(0, '/Users/py4cs/Desktop/Time.py')

In [61]: Time(10, 29)

Out[61]: <__main__.Time at 0x1090b2c50>

In [62]: runcell(0, '/Users/py4cs/Desktop/Time.py')

In [63]: Time(10, 29)

Traceback (most recent call last):

Cell In[63], line 1

Time(10, 29)

TypeError: Time.__init__() missing 1 required positional argument: 'name'

In [64]: runfile('/Users/py4cs/Desktop/Time.py', wdir='/Users/py4cs/Desktop')

Traceback (most recent call last):

File ~/anaconda3/lib/python3.11/site-packages/spyder_kernels/py3compat.py:356 in compat_exec

exec(code, globals, locals)

File ~/Desktop/Time.py:22

t = Time(15, 45)

TypeError: Time.__init__() missing 1 required positional argument: 'name'

In [65]: t Time(10, 29, 'local')

Cell In[65], line 1

t Time(10, 29, 'local')

^

SyntaxError: invalid syntax

In [66]: t = Time(10, 29, 'local')

In [67]: t.print24h()

local 10:29

In [68]: t.print12h()

10:29 am

In [69]: t.hour > 12

Out[69]: False

In [70]: runcell(0, '/Users/py4cs/Desktop/Time.py')

In [71]: 12 % 10

Out[71]: 2

In [72]: 22 % 12

Out[72]: 10

In [73]: 9 % 12

Out[73]: 9

In [74]: t.min_

Out[74]: 29

In [75]: t.print24h()

local 10:29

In [76]: t.min_ = 31

In [77]: t.print24h()

local 10:31

In [78]: runcell(0, '/Users/py4cs/Desktop/Time3.py')

In [79]: t = Time(22, 30)

In [80]: repr(t)

Out[80]: 'Time(22, 30)'

In [81]: str(t)

Out[81]: '[ 22:30 ]'

In [82]: Time(22, 30)

Out[82]: Time(22, 30)

In [83]: print(t)

[ 22:30 ]

In [84]: runcell(1, '/Users/py4cs/Desktop/Time3.py')

Informal string representation of the object t1: [ 15:45 ]

Representation of object = Time(15, 45)

compare t1 and t2:

t1 is greater than t2

In [85]: t1

Out[85]: Time(15, 45)

In [86]: t2

Out[86]: Time(10, 55)

In [87]: t1 > t2

Out[87]: True

In [88]: runfile('/Users/py4cs/Desktop/Time3a.py', wdir='/Users/py4cs/Desktop')

TimeUK object = [ 3:45 pm]

Time object = [ 16:15 ]

compare t3 and t4:

t3 is not greater than t4

In [89]: runfile('/Users/py4cs/Desktop/Time3a.py', wdir='/Users/py4cs/Desktop')

TimeUK object = [ 3:45 pm]

Time object = [ 16:15 ]

compare t3 and t4:

t3 is not greater than t4

In [90]: runfile('/Users/py4cs/Desktop/Time3a.py', wdir='/Users/py4cs/Desktop')

TimeUK object = [ 3:45 pm]

Time object = [ 16:15 ]

compare t3 and t4:

t3 is not greater than t4

In [91]: import Time3a

In [92]: