Python Challenges: Find the product xyz
Python Challenges - 1: Exercise-40 with Solution
Write a Python program to find the product xyz.
A Pythagorean triple consists of three positive integers a, b, and c, such that a2 + b2 = c2. Such a triple is commonly written (a, b, c), and a well-known example is (3, 4, 5). There exists exactly one Pythagorean triplet for which x + y + z = 1000.
Sample Solution:
Python Code:
for a in range(1, 1000):
for b in range(a, 1000):
c = 1000 - a - b
if c > 0:
if c*c == a*a + b*b:
print (a*b*c)
break
Sample Output:
31875000
Flowchart:
Python Code Editor:
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Previous: Write a python program to find the 1000th prime number.
Next: Write a Python program to find the first triangle number to have over n(given) divisors.
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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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