You want to compute factorials of numbers 0 to 5 and store them as integers in a list. Which code correctly does this?
hard📝 Application Q8 of 15
SciPy - Constants and Special Functions
You want to compute factorials of numbers 0 to 5 and store them as integers in a list. Which code correctly does this?
Afrom scipy.special import factorial
results = [int(factorial(i, exact=True)) for i in range(6)]
Bfrom scipy.special import factorial
results = [factorial(i) for i in range(6)]
Cfrom scipy.special import gamma
results = [int(gamma(i)) for i in range(6)]
Dfrom scipy.special import factorial
results = [factorial(i, exact=False) for i in range(6)]
Step-by-Step Solution
Solution:
Step 1: Understand factorial with exact=True
Using exact=True returns integer factorial values.
Step 2: Check list comprehension and conversion
List comprehension with int() ensures integer type; range(6) covers 0 to 5.
Step 3: Evaluate other options
from scipy.special import factorial
results = [factorial(i) for i in range(6)] returns floats; from scipy.special import gamma
results = [int(gamma(i)) for i in range(6)] uses gamma which is not factorial; from scipy.special import factorial
results = [factorial(i, exact=False) for i in range(6)] returns floats.
Final Answer:
from scipy.special import factorial
results = [int(factorial(i, exact=True)) for i in range(6)] -> Option A
Quick Check:
Use factorial with exact=True for integer factorials [OK]
Quick Trick:Use exact=True for integer factorials in list comprehensions [OK]
Common Mistakes:
MISTAKES
Not using exact=True for integers
Using gamma instead of factorial
Ignoring float outputs
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