Python: Hash a word

Last update on May 28 2022 13:00:53 (UTC/GMT +8 hours)

Python Basic: Exercise-74 with Solution

Write a Python program to hash a word.

Sample Solution-1:

Python Code:

soundex=[0,1,2,3,0,1,2,0,0,2,2,4,5,5,0,1,2,6,2,3,0,1,0,2,0,2]
 
word=input("Input the word be hashed: ")
 
word=word.upper()
 
coded=word[0]
 
for a in word[1:len(word)]:
    i=65-ord(a)
    coded=coded+str(soundex[i])
print() 
print("The coded word is: "+coded)
print()

Sample Output:

Input the word be hashed: w3r                                                                                 
                                                                                                              
The coded word is: W02

Flowchart:

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:

int_num = 112
flt_num = 23.99
text_val = 'Python Exercises'
print("Original integer value:",int_num)
print ("Hash value of the said integer value: " + str(hash(int_num)))
print("Original float value:",flt_num)
print ("Hash value of the said float value: " + str(hash(flt_num)))
print("Original text:",text_val)
print ("Hash value of the said text: " + str(hash(text_val)))

Sample Output:

Original integer value: 112
Hash value of the said integer value: 112
Original float value: 23.99
Hash value of the said float value: 2282784579121553431
Original text: Python Exercises
Hash value of the said text: 8156633541458031964

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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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