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Python: Convert a byte string to a list of integers

Python Basic: Exercise-94 with Solution

Write a Python program to convert a byte string to a list of integers.

Sample Solution-1:

Python Code:

x = b'Abc'
print()
print("\nConvert bytes of the said string to a list of integers:")
print(list(x))
print()

Sample Output:

Convert bytes of the said string to a list of integers:
[65, 98, 99]

Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:


Sample Solution-2:

Python Code:

S = "The quick brown fox jumps over the lazy dog."  
print("Original string:")
print(S)
nums = []
print("\nConvert bytes of the said string to a list of integers:")
for chr in S:
   nums.append(ord(chr))
print(nums)

Sample Output:

Original string:
The quick brown fox jumps over the lazy dog.

Convert bytes of the said string to a list of integers:
[84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103, 46]

Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:


Python Code Editor:

 

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Previous: Write a Python program to get the identity of an object.
Next: Write a Python program to check if a string is numeric.

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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