put full dir in file declaration

playbooks/tasks/copy_files.yml

@@ -1,6 +1,6 @@
 - name: "Copy two files from {{ dir_src }} to {{ dir_dst }}"
   copy:
-    src: "{{dir_src}}/{{item}}"
+    src: "{{item}}"
     dest: "{{dir_dst}}/"
   loop:
     - "{{file01}}"

playbooks/tasks/delete_files.yml

@@ -1,6 +1,6 @@
 - name: "delete two files in {{ dir_dst }}"
   file:
-    path: "{{dir_dst}}/{{item}}"
+    path: "{{item}}"
     state: absent
   loop:
     - "{{file01}}"

playbooks/vars/vars.yml

@@ -1,4 +1,4 @@
-dir_src: ~/Images
+dir_src: /tmp/bar
-dir_dst: /tmp/images
+dir_dst: /tmp/foo
 file01: "{{ playbook_dir }}/files/file01.txt"
 file02: "{{ playbook_dir }}/files/file02.txt"