.pythonrc

# calculate
from decimal import Decimal
from decimal import Decimal as D
from fractions import Fraction
from fractions import Fraction as F
from math import *

try:
    import numpy as np
except ModuleNotFoundError:
    pass
try:
    from pint import UnitRegistry
except ModuleNotFoundError:
    pass
else:
    Q = UnitRegistry() # Quantity

# style
try:
    from rich import pretty, traceback
except ModuleNotFoundError:
    pass
else:
    pretty.install()
    traceback.install(show_locals=False)