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Python: Create an array of 5 integers and display the array items

Python: Array Exercise-1 with Solution

Write a Python program to create an array of 5 integers and display the array items. Access individual element through indexes.

Pictorial Presentation:

Python Exercises: Create an array of 5 integers and display the array items

Sample Solution:

Python Code :

from array import *
array_num = array('i', [1,3,5,7,9])
for i in array_num:
    print(i)
print("Access first three items individually")
print(array_num[0])
print(array_num[1])
print(array_num[2])

Sample Output:

1                                                                      
3                                                                      
5                                                                      
7                                                                      
9                                                                      
Access first three items individually                                  
1                                                                      
3                                                                      
5

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