#locale module accesses a database of culture specific data formats. The
#grouping
#attribute of locale's format function provides a direct way of formatting numbers
#with group separators:
import locale
locale.setlocale(locale.LC_ALL, 'English_United States.1252')
conv = locale.localeconv() # get a mapping of conventions
x = 1234567.8
locale.format("%d", x, grouping=True)
locale.format("%s%.*f", (conv['currency_symbol'],conv['frac_digits'], x), grouping=True)
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