Helper Function For Lab 2 to compile code and run with multiple parameters

tester.py

import subprocess
import os
files = ['task1', 'task2', 'task3']
print(os.listdir()) 
strs = ""
for size in range(1, 7):
    size = str(10**size)
    strs += "Size: " + size + "\n"
    for name in files:
        print(["gcc", f'{name}.c', '-lm', '-lpthread', '-fopenmp', '-o', f'{name}', '&&', f'{name}', size])
        a = subprocess.Popen(["gcc", f'{name}.c', '-lm', '-lpthread', '-fopenmp', '-o', f'{name}'], cwd = os.getcwd(), stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
        a.wait()
        array = []
        for _ in range(10):
            result = subprocess.Popen([f'./{name}', size], cwd = os.getcwd(), stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
            array.append(float(result.stdout.read().split('.\n')[1].split('s')[0]))
        val = sum(array)/len(array)
        std = (sum([(x - val)**2 for x in array])/len(array))**0.5
        strs += f"{name}, {val:.6f} +/- {std:.6f}s "
    strs = strs + "\n"
    
print(strs)