Python: Simple Python class named Student and display its type
Python Class ( Basic ): Exercise-7 with Solution
Write a simple Python class named Student and display its type. Also, display the __dict__ attribute keys and the value of the __module__ attribute of the Student class.
The pass statement does nothing. It can be used when a statement is required syntactically but the program requires no action. 'pass' can be used is as a place-holder for a function or conditional body when you are working on new code, allowing you to keep thinking at a more abstract level.
Sample Solution:
Python Code:
class Student:
pass
print(type(Student))
print(Student.__dict__.keys())
print(Student.__module__)
Sample Output:
<class 'type'> dict_keys(['__module__', '__dict__', '__weakref__', '__doc__']) __main__
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Previous: Write a Python function student_data () which will print the id of a student (student_id). If the user passes an argument student_name or student_class the function will print the student name and class.
Next: Write a Python program to convert a roman numeral to an integer.
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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