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Python: Get the key, value and item in a dictionary

Python dictionary: Exercise-31 with Solution

Write a Python program to get the key, value and item in a dictionary.

Sample Solution:-

Python Code:

dict_num = {1: 10, 2: 20, 3: 30, 4: 40, 5: 50, 6: 60}
print("key  value  count")
for count, (key, value) in enumerate(dict_num.items(), 1):
    print(key,'   ',value,'    ', count)

Sample Output:

key  value  count                                                                                             
1     10      1                                                                                               
2     20      2                                                                                               
3     30      3                                                                                               
4     40      4                                                                                               
5     50      5                                                                                               
6     60      6

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Python Dictionary: Get the key, value and item in a dictionary.

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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