PyFile:FStringFragmentWithParenthesizedLambda.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {(lambda x: 42)}
      PyFormattedStringElement
        PsiElement(Py:FSTRING_START)('f'')
        PyFStringFragment
          PsiElement(Py:FSTRING_FRAGMENT_START)('{')
          PyParenthesizedExpression
            PsiElement(Py:LPAR)('(')
            PyLambdaExpression
              PsiElement(Py:LAMBDA_KEYWORD)('lambda')
              PsiWhiteSpace(' ')
              PyParameterList
                PyNamedParameter('x')
                  PsiElement(Py:IDENTIFIER)('x')
              PsiElement(Py:COLON)(':')
              PsiWhiteSpace(' ')
              PyNumericLiteralExpression
                PsiElement(Py:INTEGER_LITERAL)('42')
            PsiElement(Py:RPAR)(')')
          PsiElement(Py:FSTRING_FRAGMENT_END)('}')
        PsiElement(Py:FSTRING_END)(''')