Python Math: Retrieve the current global context for all decimal
Python Math: Exercise-39 with Solution
Write a Python program to retrieve the current global context (public properties) for all decimal.
Sample Solution:-
Python Code:
import decimal
context = decimal.getcontext()
print('Emax =', context.Emax)
print('Emin =', context.Emin)
print('capitals =', context.capitals)
print('prec =', context.prec)
print('rounding =', context.rounding)
print('flags =')
for x, y in context.flags.items():
print(' {}: {}'.format(x, y))
print('traps =')
for x, y in context.traps.items():
print(' {}: {}'.format(x, y))
Sample Output:
Emax = 999999 Emin = -999999 capitals = 1 prec = 28 rounding = ROUND_HALF_EVEN flags = <class 'decimal.InvalidOperation'>: False <class 'decimal.FloatOperation'>: False ----- <class 'decimal.Rounded'>: False <class 'decimal.Clamped'>: False
Flowchart:
Python Code Editor:
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Previous: Write a Python program to get the square root and exponential of a given decimal number.
Next: Write a Python program to round a specified decimal by setting precision (between 1 and 4).
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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