check the browser existence one by one , Python 3

check the browser existence one by one

from win32com.client import Dispatch

def get_version_via_com(filename):
	try:
		parser = Dispatch('Scripting.FileSystemObject')
		version = parser.GetFileVersion(filename)
		return version
	except:
		return 'F'

if __name__ == '__main__':
	path = {}
	browser = ''
	path['chrome0'] = r'C:\Program Files (x86)\Google\Chrome\Application\chrome.exe'
	path['chrome1'] = r'C:\Program Files\Google\Chrome\Application\chrome.exe'
	path['firefox0'] = r'C:\Program Files (x86)\Mozilla Firefox\firefox.exe'
	path['firefox1'] = r'C:\Program Files\Mozilla Firefox\firefox.exe'
	path['ie'] = r'C:\Program Files\Internet Explorer\iexplore.exe'
	for key,value in path.items():
		if key == 'chrome0':
			if get_version_via_com(value) != 'F':
				browser = 'chrome'
				break
		if key == 'chrome1':
			if get_version_via_com(value) != 'F':
				browser = 'chrome'
				break
			else:continue
		elif key == 'firefox0':
			if get_version_via_com(value) != 'F':
				browser = 'firefox'
				break
			else:continue
		elif key == 'firefox1':
			if get_version_via_com(value) != 'F':
				browser = 'firefox'
				break
			else:continue
		elif key == 'ie':
			if get_version_via_com(value) != 'F':
				browser = 'ie'
				break
			else:continue
		else:
			continue
	print(browser)


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