Python: Check if a given set is superset of itself and superset of another given set
Python sets: Exercise-18 with Solution
Write a Python program to check if a given set is superset of itself and superset of another given set.
Sample Solution:
Python Code:
nums = {10,20,30,40,50}
print("Original set: ",nums)
print("If nums is superset of itself?")
print(nums.issuperset(nums))
num1 = {1, 2, 3, 4, 5, 7}
num2 = {2, 4}
num3 = {2, 4}
print("\nnum1 = ", num1)
print("num2 = ", num2)
print("num3 = ", num3)
print("If mum1 is superset of num2:")
print(num1>num2)
print("Compare mum2 and num3:")
print("If mum2 is superset of num3:")
print(num2>num3)
print("If mum3 is superset of num2:")
print(num3>num2)
Sample Output:
Original set: {40, 10, 50, 20, 30} If nums is superset of itself? True num1 = {1, 2, 3, 4, 5, 7} num2 = {2, 4} num3 = {2, 4} If mum1 is superset of num2: True Compare mum2 and num3: If mum2 is superset of num3: False If mum3 is superset of num2: False
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Previous: Write a Python program to check if two given sets have no elements in common.
Next: Write a Python program to find the elements in a given set that are not in another set.
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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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