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Python Exercise: Slice a tuple

Python tuple: Exercise-13 with Solution

Write a Python program to slice a tuple.

Sample Solution:-

Python Code:

#create a tuple
tuplex = (2, 4, 3, 5, 4, 6, 7, 8, 6, 1)
#used tuple[start:stop] the start index is inclusive and the stop index
_slice = tuplex[3:5]
#is exclusive
print(_slice)
#if the start index isn't defined, is taken from the beg inning of the tuple
_slice = tuplex[:6]
print(_slice)
#if the end index isn't defined, is taken until the end of the tuple
_slice = tuplex[5:]
print(_slice)
#if neither is defined, returns the full tuple
_slice = tuplex[:]
print(_slice)
#The indexes can be defined with negative values
_slice = tuplex[-8:-4]
print(_slice)
#create another tuple
tuplex = tuple("HELLO WORLD")
print(tuplex)
#step specify an increment between the elements to cut of the tuple
#tuple[start:stop:step]
_slice = tuplex[2:9:2]
print(_slice)
#returns a tuple with a jump every 3 items
_slice = tuplex[::4]
print(_slice)
#when step is negative the jump is made back
_slice = tuplex[9:2:-4]
print(_slice)

Sample Output:

(5, 4)                                                                                                        
(2, 4, 3, 5, 4, 6)                                                                                            
(6, 7, 8, 6, 1)                                                                                               
(2, 4, 3, 5, 4, 6, 7, 8, 6, 1)                                                                                
(3, 5, 4, 6)                                                                                                  
('H', 'E', 'L', 'L', 'O', ' ', 'W', 'O', 'R', 'L', 'D')                                                       
('L', 'O', 'W', 'R')                                                                                          
('H', 'O', 'R')                                                                                               
('L', ' ') 

Pictorial Presentation:

Python Tuple: Slice a tuple.
Python Tuple: Slice a tuple.
Python Tuple: Slice a tuple.
Python Tuple: Slice a tuple.
Python Tuple: Slice a tuple.
Python Tuple: Slice a tuple.
Python Tuple: Slice a tuple.
Python Tuple: Slice a tuple.

Flowchart:

Flowchart: Slice a tuple

Python Code Editor:

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Previous: Write a Python program to remove an item from a tuple.
Next: Write a Python program to find the index of an item of a tuple.

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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