Python Challenges: Compute the sum of all the multiples of 3 or 5 below 500
Python Challenges - 1: Exercise-33 with Solution
Write a Python program to compute the sum of all the multiples of 3 or 5 below 500.
All the natural numbers below 12 that are multiples of 3 or 5, we get 3, 5, 6, 9 and 10. The sum of these multiples is 33.
Sample Solution:-
Python Code:
n = 0
for i in range(1,500):
if not i % 5 or not i % 3:
n = n + i
print(n)
Sample Output:
57918
Flowchart:
Python Code Editor:
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Previous: Write a Python program to find the single number which occurs odd numbers and other numbers occur even number.
Next: Write a Python program to compute the sum of the even-valued terms in the Fibonacci sequence whose values do not exceed one million.
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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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