code: def pressure_tendency(code: str, unit: str = 'mb') -> str:
      
      width, precision = int(code[2:4]), code[4]
      return ('3-hour pressure difference: +/- '
              f'{width}.{precision} {unit} - {PRESSURE_TENDENCIES[code[1]]}')
docs: Translates a 5-digit pressure outlook code
  
      Ex: 50123 -> 12.3 mb: Increasing, then decreasing