import locale, decimal
locale.setlocale(locale.LC_ALL, "fr_FR")
locale.setlocale(locale.LC_NUMERIC, "es_MX.utf8")

print(f"LC_CTYPE: {locale.getlocale(locale.LC_CTYPE)}")
print(f"LC_NUMERIC: {locale.getlocale(locale.LC_NUMERIC)}")

lconv = locale.localeconv()
print(f"decimal_point: {lconv['decimal_point']!a}")
print(f"thousands_sep: {lconv['thousands_sep']!a}")
print(f"grouping: {lconv['grouping']!a}")

i = 1234
print("int.__format__: %a" % f"{i:n}")

f = 1234.0
print("float.__format__: %a" % f"{f:n}")

c = complex(1234.0, 0.0)
print("complex.__format__: %a" % f"{c:n}")

d = decimal.Decimal(1234)
print("Decimal.__format__: %a" % f"{i:n}")