Python: Find the length of a set
Python sets: Exercise-15 with Solution
Write a Python program to find the length of a set.
Sample Solution:
Python Code:
#Create a set
setn = {5, 10, 3, 15, 2, 20}
print("Original set elements:")
print(setn)
print(type(setn))
print("\nLength of the said set:")
print(len(setn))
setn = {5, 5, 5, 5, 5, 5}
print("Original set elements:")
print(setn)
print(type(setn))
print("\nLength of the said set:")
print(len(setn))
setn = {5, 5, 5, 5, 5, 5, 7}
print("Original set elements:")
print(setn)
print(type(setn))
print("\nLength of the said set:")
print(len(setn))
Sample Output:
Original set elements: {2, 3, 5, 10, 15, 20} <class 'set'> Length of the said set: 6 Original set elements: {5} <class 'set'> Length of the said set: 1 Original set elements: {5, 7} <class 'set'> Length of the said set: 2
Pictorial Presentation:
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Python Code Editor:
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Previous: Write a Python program to find maximum and the minimum value in a set.
Next: Write a Python program to check if a given value is present in a set or not.
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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
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