| [case testUnderscoresRequire36] | |
| # flags: --fast-parser --python-version 3.5 | |
| x = 1000_000 # E: Underscores in numeric literals are only supported in Python 3.6 | |
| [out] | |
| [case testUnderscoresSyntaxError] | |
| # flags: --fast-parser --python-version 3.6 | |
| x = 1000_000_ # E: invalid token | |
| [out] | |
| [case testUnderscoresBasics] | |
| # flags: --fast-parser --python-version 3.6 | |
| x: int | |
| x = 1000_000 | |
| x = 0x_FF_FF_FF_FF | |
| y: str = 1000_000.000_001 # E: Incompatible types in assignment (expression has type "float", variable has type "str") |