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scipy.constants.value

scipy.constants.value(key)

Value in physical_constants indexed by key

Parameters :

key : Python string or unicode

Key in dictionary physical_constants

Returns :

value : float

Value in physical_constants corresponding to key

See also

codata

Contains the description of physical_constants, which, as a dictionary literal object, does not itself possess a docstring.

Examples

>>> from scipy.constants import codata
>>> codata.value('elementary charge')
    1.602176487e-019