couldn't run npm ci - node.js

Question

node.js - v12.16.2
npm - 6.14.4
OS - windows 10
When I run npm ci i get error.
The complete error log:
npm WARN prepare removing existing node_modules/ before installation
> fsevents#1.2.4 install G:\Agrima\workspace\VoTT\node_modules\fsevents
> node install
> node-sass#4.11.0 install G:\Agrima\workspace\VoTT\node_modules\node-sass
> node scripts/install.js
Downloading binary from https://github.com/sass/node-sass/releases/download/v4.11.0/win32-x64-72_binding.node Cannot download "https://github.com/sass/node-sass/releases/download/v4.11.0/win32-x64-72_binding.node":
HTTP error 404 Not Found
Hint: If github.com is not accessible in your location
try setting a proxy via HTTP_PROXY, e.g.
export HTTP_PROXY=http://example.com:1234
or configure npm proxy via
npm config set proxy http://example.com:8080
> node-sass#4.11.0 postinstall G:\Agrima\workspace\VoTT\node_modules\node-sass
> node scripts/build.js
Building: C:\Program Files\nodejs\node.exe G:\Agrima\workspace\VoTT\node_modules\node-gyp\bin\node-gyp.js rebuild
--verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library= gyp info it worked if it ends with ok gyp verb cli [ gyp verb cli 'C:\\Program Files\\nodejs\\node.exe', gyp verb cli 'G:\\Agrima\\workspace\\VoTT\\node_modules\\node-gyp\\bin\\node-gyp.js', gyp verb cli 'rebuild', gyp verb cli '--verbose', gyp verb cli '--libsass_ext=', gyp verb cli '--libsass_cflags=', gyp verb cli '--libsass_ldflags=', gyp verb cli '--libsass_library=' gyp verb cli ] gyp info using node-gyp#3.8.0 gyp info using node#12.16.2 | win32 | x64 gyp verb command rebuild [] gyp verb command clean [] gyp verb clean removing "build" directory gyp verb command configure [] gyp verb check python checking for Python executable "python2" in the PATH gyp verb `which` failed Error: not found: python2 gyp verb `which` failed at getNotFoundError (G:\Agrima\workspace\VoTT\node_modules\which\which.js:13:12) gyp verb `which` failed at F (G:\Agrima\workspace\VoTT\node_modules\which\which.js:68:19) gyp verb `which` failed at E (G:\Agrima\workspace\VoTT\node_modules\which\which.js:80:29) gyp verb `which` failed at G:\Agrima\workspace\VoTT\node_modules\which\which.js:89:16 gyp verb `which` failed at G:\Agrima\workspace\VoTT\node_modules\isexe\index.js:42:5 gyp verb `which` failed at G:\Agrima\workspace\VoTT\node_modules\isexe\windows.js:36:5 gyp verb `which` failed at FSReqCallback.oncomplete (fs.js:167:21) gyp verb `which` failed python2 Error: not found: python2 gyp verb `which` failed at getNotFoundError (G:\Agrima\workspace\VoTT\node_modules\which\which.js:13:12) gyp verb `which` failed at F (G:\Agrima\workspace\VoTT\node_modules\which\which.js:68:19) gyp verb `which` failed at E (G:\Agrima\workspace\VoTT\node_modules\which\which.js:80:29) gyp verb `which` failed at G:\Agrima\workspace\VoTT\node_modules\which\which.js:89:16 gyp verb `which` failed at G:\Agrima\workspace\VoTT\node_modules\isexe\index.js:42:5 gyp verb `which` failed at G:\Agrima\workspace\VoTT\node_modules\isexe\windows.js:36:5 gyp verb `which` failed at FSReqCallback.oncomplete (fs.js:167:21) { gyp verb `which` failed stack: 'Error: not found: python2\n' + gyp verb `which` failed ' at getNotFoundError (G:\\Agrima\\workspace\\VoTT\\node_modules\\which\\which.js:13:12)\n'
+ gyp verb `which` failed ' at F (G:\\Agrima\\workspace\\VoTT\\node_modules\\which\\which.js:68:19)\n'
+ gyp verb `which` failed ' at E (G:\\Agrima\\workspace\\VoTT\\node_modules\\which\\which.js:80:29)\n'
+ gyp verb `which` failed ' at G:\\Agrima\\workspace\\VoTT\\node_modules\\which\\which.js:89:16\n' + gyp verb `which` failed ' at G:\\Agrima\\workspace\\VoTT\\node_modules\\isexe\\index.js:42:5\n' + gyp verb `which` failed ' at G:\\Agrima\\workspace\\VoTT\\node_modules\\isexe\\windows.js:36:5\n' + gyp verb `which` failed ' at FSReqCallback.oncomplete (fs.js:167:21)', gyp verb `which` failed code: 'ENOENT' gyp verb `which` failed } gyp verb check python checking for Python executable "python" in the PATH gyp verb `which` succeeded python C:\Program Files\Python36\python.EXE gyp ERR! configure error gyp ERR! stack Error: Command failed: C:\Program Files\Python36\python.EXE -c import sys; print "%s.%s.%s" % sys.version_info[:3]; gyp ERR! stack File "<string>", line 1 gyp ERR! stack import sys; print "%s.%s.%s" % sys.version_info[:3]; gyp ERR! stack ^ gyp ERR! stack SyntaxError: invalid syntax gyp ERR! stack gyp ERR! stack at ChildProcess.exithandler (child_process.js:303:12) gyp ERR! stack at ChildProcess.emit (events.js:310:20) gyp ERR! stack at maybeClose (internal/child_process.js:1021:16) gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:286:5) gyp ERR! System Windows_NT
10.0.17134 gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "G:\\Agrima\\workspace\\VoTT\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library=" gyp ERR! cwd G:\Agrima\workspace\VoTT\node_modules\node-sass gyp ERR! node -v v12.16.2 gyp ERR! node-gyp -v v3.8.0 gyp ERR! not ok Build failed with error code: 1 npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! node-sass#4.11.0 postinstall: `node scripts/build.js` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the node-sass#4.11.0 postinstall script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\LENOVO\AppData\Roaming\npm-cache\_logs\2020-04-23T05_50_10_745Z-debug.log
Tried to do npm install, etc which was found in other sources, But failed each time.