Write a python program that reads from a text file whose name is provided by the user and including lines relating to the dimensions of three kinds of shapes: Circle, Triangle, Trapezoid (see figure below for a sample input file). For each shape compute and display its area: → Triangle area = base X height. - Circle area = n radius?. - Trapezoid area = %3D ; (base 1 + base2)X height. 2 Your program should consider the following erroneous cases: The file does not open/exist • The format of the data in the file is incorrect (e.g. shape name = 'Polygon'), the shape's dimensions are incorrect (e.g. negative value or number of values for a trapezoid not equal to 3: base, base, and height, or), in which case RuntimeError exception should be raised and the processing should continue.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Exercise 1:
Write a python program that reads from a text file whose name is provided by the user and
including lines relating to the dimensions of three kinds of shapes: Circle, Triangle, Trapezoid
(see figure below for a sample input file). For each shape compute and display its area:
Triangle area =
2
base X height.
→ Circle area n radius2.
- Trapezoid area =
; (base 1 + base2)X height.
2
Your program should consider the following erroneous cases:
• The file does not open/exist
• The format of the data in the file is incorrect (e.g. shape name = 'Polygon'), the shape's
dimensions are incorrect (e.g. negative value or number of values for a trapezoid not
equal to 3: base,, basez and height, or), in which case RuntimeError exception should
be raised and the processing should continue.
50
48
Shape
Area
Triangle:
Circle: -10
Triangle
Circle
1200.00
Trapezoid: 10 12 70
Trapezoid:
>> invalid dimension
770.00
>> missing data.
9 32
Trapezoid
Trapezoid
Sample input file
Sample output
Transcribed Image Text:9 /11 100% Exercise 1: Write a python program that reads from a text file whose name is provided by the user and including lines relating to the dimensions of three kinds of shapes: Circle, Triangle, Trapezoid (see figure below for a sample input file). For each shape compute and display its area: Triangle area = 2 base X height. → Circle area n radius2. - Trapezoid area = ; (base 1 + base2)X height. 2 Your program should consider the following erroneous cases: • The file does not open/exist • The format of the data in the file is incorrect (e.g. shape name = 'Polygon'), the shape's dimensions are incorrect (e.g. negative value or number of values for a trapezoid not equal to 3: base,, basez and height, or), in which case RuntimeError exception should be raised and the processing should continue. 50 48 Shape Area Triangle: Circle: -10 Triangle Circle 1200.00 Trapezoid: 10 12 70 Trapezoid: >> invalid dimension 770.00 >> missing data. 9 32 Trapezoid Trapezoid Sample input file Sample output
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