Python Exercise: 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
Python: Cache results with decorators
There is a great way to cache functions with decorators in Python. Caching will help save time and precious resources when there is an expensive function at hand.
Implementation is easy, just import lru_cache from functools library and decorate your function using @lru_cache.
from functools import lru_cache @lru_cache(maxsize=None) def fibo(a): if a <= 1: return a else: return fibo(a-1) + fibo(a-2) for i in range(20): print(fibo(i), end="|") print("\n\n", fibo.cache_info())
Output:
0|1|1|2|3|5|8|13|21|34|55|89|144|233|377|610|987|1597|2584|4181| CacheInfo(hits=36, misses=20, maxsize=None, currsize=20)
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