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Python: tuple() function

tuple() function

The tuple() function is used to create a tuple in Python. Iterable may be a sequence, a container that supports iteration, or an iterator object.

Read more about tuple from Python tuple and Python Exercises.

Version

(Python 3.2.5)

Syntax:

tuple([iterable])

Parameter:

Name Description Required /
Optional
iterable A sequence, collection or an iterator object. Required.

Example: Python tuple() function

tup1 = tuple()
print('tup1=', tup1)

# creating a tuple from a list
tup2 = tuple([2, 6, 10])
print('tup2=', tup2)

# creating a tuple from a string
tup1 = tuple('Python Exercise')
print('tup1=',tup1)

# creating a tuple from a dictionary
tup1 = tuple({3: 'three', 4: 'four'})
print('tup1=',tup1)

Output:

tup1= ()
tup2= (2, 6, 10)
tup1= ('P', 'y', 't', 'h', 'o', 'n', ' ', 'E', 'x', 'e', 'r', 'c', 'i', 's', 'e')
tup1= (3, 4)

Pictorial Presentation:

Python: Built-in-function - tuple() function

Pictorial Presentation:

Python: Built-in-function - tuple() function

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