File: string_fstring_invalid.py

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micropython 1.26.1%2Bds-1
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# PEP-0498 specifies that '\\' and '#' must be disallowed explicitly, whereas
# MicroPython relies on the syntax error as a result of the substitution.

print(f"\\")
print(f"#")
try:
    eval("f'{\}'")
except SyntaxError:
    print("SyntaxError")
try:
    eval("f'{#}'")
except SyntaxError:
    print("SyntaxError")