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new file mode 100644
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new file mode 100644
index 0000000000000000000000000000000000000000..7c6ba0fe181de786f8f09b1b8cc1ad6bbc1dd5a4
--- /dev/null
+++ "b/\351\251\254\351\235\222\351\235\222/3.01/demo97.txt"
@@ -0,0 +1 @@
+55
\ No newline at end of file
diff --git "a/\351\251\254\351\235\222\351\235\222/3.01/demo98.txt" "b/\351\251\254\351\235\222\351\235\222/3.01/demo98.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..4e9e288487445d1193130dba3e3c6af29b242115
--- /dev/null
+++ "b/\351\251\254\351\235\222\351\235\222/3.01/demo98.txt"
@@ -0,0 +1 @@
+63
\ No newline at end of file
diff --git "a/\351\251\254\351\235\222\351\235\222/3.01/demo99.txt" "b/\351\251\254\351\235\222\351\235\222/3.01/demo99.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..3cacc0b93c9c9c03a72da624ca28a09ba5c1336f
--- /dev/null
+++ "b/\351\251\254\351\235\222\351\235\222/3.01/demo99.txt"
@@ -0,0 +1 @@
+12
\ No newline at end of file
diff --git "a/\351\251\254\351\235\222\351\235\222/3.01/file.js" "b/\351\251\254\351\235\222\351\235\222/3.01/file.js"
new file mode 100644
index 0000000000000000000000000000000000000000..5f44642a63e0584ec02c4b70dd4864d8eec40624
--- /dev/null
+++ "b/\351\251\254\351\235\222\351\235\222/3.01/file.js"
@@ -0,0 +1,16 @@
+
+let fs = require('fs');
+for(let i=0;i<100;i++){
+    let filename = 'demo'+i+'.txt';
+    fs.writeFileSync(filename,Math.round(Math.random()*100));
+    
+}
+
+let aa = '';
+for(let j = 0; j<100;j++){
+    let filename  = 'demo'+j+'.txt';
+    let bf = fs.readFileSync(filename);
+    aa = aa+bf.toString()+',';
+    console.log(bf.toString());
+}
+console.log(aa);
\ No newline at end of file