Entered Test123 file and fixed launch and task.json

Start_Windows/.vscode/launch.json

@@ -0,0 +1,18 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Debug current C file",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "${fileDirname}\\${fileBasenameNoExtension}.exe",
+      "args": [],
+      "stopAtEntry": false,
+      "cwd": "${fileDirname}",
+      "externalConsole": false,
+      "MIMode": "gdb",
+      "miDebuggerPath": "C:/msys64/mingw64/bin/gdb.exe",
+      "preLaunchTask": "C/C++: gcc.exe build active file"
+    }
+  ]
+}

Start_Windows/.vscode/tasks.json

@@ -0,0 +1,50 @@
+
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build C file",
+            "type": "shell",
+            "command": "gcc",
+            "args": [
+                "-g",
+                "${fileBasename}",
+                "-o",
+                "${fileBasenameNoExtension}.exe"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "group": {
+                "kind": "build",
+                "isDefault": false
+            },
+            "problemMatcher": [
+                "$gcc"
+            ]
+        },
+        {
+            "type": "cppbuild",
+            "label": "C/C++: gcc.exe build active file",
+            "command": "C:\\msys64\\mingw64\\bin\\gcc.exe",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${file}",
+                "-o",
+                "${fileDirname}\\${fileBasenameNoExtension}.exe"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ]
+} 

Start_Windows/Test123.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int i = 10;
+double d = 20.5;
+
+
+int main(void) {
+while (i < d) {
+    printf("i: %d, d: %.2f\n", i, d);
+    i += 2;
+    d -= 1.5;
+}
+
+return 0;
+}