Arduino/esp8266/micropython/tests/float/python36.py

# tests for things that only Python 3.6 supports, needing floats

# underscores in numeric literals
print(1_000.1_8)
print('%.2g' % 1e1_2)

# underscore supported by int/float constructors
print(float('1_2_3'))
print(float('1_2_3.4'))
print('%.2g' % float('1e1_3'))