diff --git a/copy_project.py b/copy_project.py
new file mode 100644
index 0000000..ae7364c
--- /dev/null
+++ b/copy_project.py
@@ -0,0 +1,22 @@
+import sys
+from tjnetwork import *
+
+def main():
+    argc = len(sys.argv)
+    if  argc < 2 or argc > 4:
+        print("copy_project source [count]")
+        return
+    
+    source = sys.argv[1]
+    if not have_project(source):
+        print(f"{source} is not available")
+
+    if argc == 2:
+        copy_project(source, f"{source}_1")
+    elif argc == 3:
+        count = int(sys.argv[2])
+        for i in range(1, 1 + count):
+            copy_project(source, f"{source}_{i}")
+
+if __name__ == '__main__':
+    main()