Python 3.10 inside the current version of Sage

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import sys
sys.executable

'/ext/sage/9.7/local/var/lib/sage/venv-python3.10.5/bin/python3'

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sys.version

'3.10.5 (main, Sep 20 2022, 13:29:17) [GCC 9.4.0]'

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def func(num: int | float) -> int | float:
    return num + 5

structural matching

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p = ('a', 1, 5, 1)
#p = "asdf"

match p:
    case None:
        print("none")
    case (1, b, *c):
        print(f"a is one and {b=} {c=}")
    case (a, b, *c):
        print(f"{a=} {b=} {c=}")
    case _:
        print(f"{p=}")

a='a' b=1 c=[5, 1]

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import numpy as np
import matplotlib.pyplot as plt
xx = np.linspace(0, 10, 1000)
yy = np.sin(2.3 * np.exp(-xx))
plt.plot(xx, yy)
plt.show()

Merge/Update Dicts:

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x = {"a": 123, "b": 9}
y = {"foo": "bar"}
x  | y

{'a': 123, 'b': 9, 'foo': 'bar'}

String Methods

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"foo-bar".removesuffix("bar")

'foo-'

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from zoneinfo import ZoneInfo
from datetime import datetime, timedelta
dt = datetime(2020, 10, 31, 12, tzinfo=ZoneInfo("America/Los_Angeles"))
dt

datetime.datetime(2020, 10, 31, 12, 0, tzinfo=zoneinfo.ZoneInfo(key='America/Los_Angeles'))

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dt += timedelta(days=7)
dt

datetime.datetime(2020, 11, 7, 12, 0, tzinfo=zoneinfo.ZoneInfo(key='America/Los_Angeles'))

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print(dt.tzname())

PST

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import matplotlib.pyplot as plt
plt.plot([12,3,2,3,2,3,1])

[<matplotlib.lines.Line2D at 0x7f62b831a230>]

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