Python: Add a prefix text to all of the lines in a string
Python String: Exercise-28 with Solution
Write a Python program to add a prefix text to all of the lines in a string.
Sample Solution:-
Python Code:
import textwrap
sample_text ='''
Python is a widely used high-level, general-purpose, interpreted,
dynamic programming language. Its design philosophy emphasizes
code readability, and its syntax allows programmers to express
concepts in fewer lines of code than possible in languages such
as C++ or Java.
'''
text_without_Indentation = textwrap.dedent(sample_text)
wrapped = textwrap.fill(text_without_Indentation, width=50)
#wrapped += '\n\nSecond paragraph after a blank line.'
final_result = textwrap.indent(wrapped, '> ')
print()
print(final_result)
print()
Sample Output:
> Python is a widely used high-level, general- > purpose, interpreted, dynamic programming > language. Its design philosophy emphasizes code > readability, and its syntax allows programmers to > express concepts in fewer lines of code than > possible in languages such as C++ or Java.
Flowchart:
Python Code Editor:
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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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