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Python: Start a new process replacing the current process

Python Operating System Services: Exercise-18 with Solution

Write a Python program to start a new process replacing the current process.

Sample Solution:

Python Code :

main.py:

import os
import sys
program ="python"
arguments = ["hello.py"]
print(os.execvp(program, (program,) + tuple(arguments)))
print("Goodbye")

hello.py:

print("Operating System Services Exercises-18")

Sample Output:

Operating System Services Exercises-18

Python Code Editor:

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Python: Tips of the Day

Performs right-to-left function composition.

Example:

from functools import reduce

def tips_compose(*fns):
  return reduce(lambda f, g: lambda *args: f(g(*args)), fns)
add6 = lambda x: x + 6
multiply = lambda x, y: x * y
multiply_and_add_6 = tips_compose(add6, multiply)

print(multiply_and_add_6(10, 3))

Output:

36