diff --git a/Codeforce/.cph/.A_1_to_N.c_ad409505dd9f327f5f1e5f7c3b936402.prob b/Codeforce/.cph/.A_1_to_N.c_ad409505dd9f327f5f1e5f7c3b936402.prob
new file mode 100644
index 0000000..24804ca
--- /dev/null
+++ b/Codeforce/.cph/.A_1_to_N.c_ad409505dd9f327f5f1e5f7c3b936402.prob
@@ -0,0 +1 @@
+{"name":"A. 1 to N","group":"Codeforces - Sheet #2 (Loops)","url":"https://codeforces.com/group/MWSDmqGsZm/contest/219432/problem/A","interactive":false,"memoryLimit":256,"timeLimit":1000,"tests":[{"id":1697472904833,"input":"5","output":"1\n2\n3\n4\n5"}],"testType":"single","input":{"type":"stdin"},"output":{"type":"stdout"},"languages":{"java":{"mainClass":"Main","taskClass":"A1ToN"}},"batch":{"id":"e58abc0e-da71-4b62-9e52-fb72f050cff2","size":1},"srcPath":"h:\\Github\\Programming\\Codeforce\\A_1_to_N.c"}
\ No newline at end of file
diff --git a/Codeforce/.cph/.A_Create_A_New_String.c_787b67da2ab24a7203efbd0d17860e1a.prob b/Codeforce/.cph/.A_Create_A_New_String.c_787b67da2ab24a7203efbd0d17860e1a.prob
new file mode 100644
index 0000000..1baabf8
--- /dev/null
+++ b/Codeforce/.cph/.A_Create_A_New_String.c_787b67da2ab24a7203efbd0d17860e1a.prob
@@ -0,0 +1 @@
+{"name":"A. Create A New String","group":"Codeforces - Sheet #4 (Strings)","url":"https://codeforces.com/group/MWSDmqGsZm/contest/219856/problem/A","interactive":false,"memoryLimit":256,"timeLimit":1000,"tests":[{"input":"LEVEL\nONE","output":"5 3\nLEVEL ONE","id":1697593365387},{"input":"Programming\ncontest","output":"11 7\nProgramming contest","id":1697593365385}],"testType":"single","input":{"type":"stdin"},"output":{"type":"stdout"},"languages":{"java":{"mainClass":"Main","taskClass":"ACreateANewString"}},"batch":{"id":"9954cc2d-7472-49ba-bc6d-c2a24e66c8fe","size":1},"srcPath":"h:\\Github\\Programming\\Codeforce\\A_Create_A_New_String.c"}
\ No newline at end of file
diff --git a/Codeforce/.cph/.B_Let_s_use_Getline.c_1021831a6460ecd24aa2995b5b16dbb0.prob b/Codeforce/.cph/.B_Let_s_use_Getline.c_1021831a6460ecd24aa2995b5b16dbb0.prob
new file mode 100644
index 0000000..2569149
--- /dev/null
+++ b/Codeforce/.cph/.B_Let_s_use_Getline.c_1021831a6460ecd24aa2995b5b16dbb0.prob
@@ -0,0 +1 @@
+{"name":"B. Let's use Getline","group":"Codeforces - Sheet #4 (Strings)","url":"https://codeforces.com/group/MWSDmqGsZm/contest/219856/problem/B","interactive":false,"memoryLimit":64,"timeLimit":1000,"tests":[{"input":"Egyptian collegiate programming\\ contest\n","output":"Egyptian collegiate programming\n","id":1697594429818},{"input":"google \\or facebook\n","output":"google\n","id":1697594429856}],"testType":"single","input":{"type":"stdin"},"output":{"type":"stdout"},"languages":{"java":{"mainClass":"Main","taskClass":"BLetsUseGetline"}},"batch":{"id":"a09f3123-ceeb-463b-a818-cf4d2da87985","size":1},"srcPath":"h:\\Github\\Programming\\Codeforce\\B_Let_s_use_Getline.c"}
\ No newline at end of file
diff --git a/Codeforce/A_1_to_N.c b/Codeforce/A_1_to_N.c
new file mode 100644
index 0000000..7bef079
--- /dev/null
+++ b/Codeforce/A_1_to_N.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+int main()
+{
+    int n;
+    scanf("%d", &n);
+    for (int i = 1; i <= n; i++)
+    {
+        printf("%d\n", i);
+    }
+
+    return 0;
+}
\ No newline at end of file
diff --git a/Codeforce/A_Create_A_New_String.c b/Codeforce/A_Create_A_New_String.c
new file mode 100644
index 0000000..6b8d524
--- /dev/null
+++ b/Codeforce/A_Create_A_New_String.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <string.h>
+int main()
+{
+    char a[1001];
+    char b[1001];
+    scanf("%s %s", a, b);
+    int length_a = strlen(a);
+    int length_b = strlen(b);
+
+    printf("%d %d\n", length_a, length_b);
+    printf("%s %s", a, b);
+
+    return 0;
+}
\ No newline at end of file
diff --git a/Codeforce/B_Let_s_use_Getline.c b/Codeforce/B_Let_s_use_Getline.c
new file mode 100644
index 0000000..e69de29
diff --git a/Codeforce/1/Codeforce.cpp b/Codeforce/Codeforce.cpp
similarity index 100%
rename from Codeforce/1/Codeforce.cpp
rename to Codeforce/Codeforce.cpp
diff --git a/Codeforce/1/Codeforce.exe b/Codeforce/Codeforce.exe
similarity index 100%
rename from Codeforce/1/Codeforce.exe
rename to Codeforce/Codeforce.exe
diff --git a/Codeforce/1/Codeforce.o b/Codeforce/Codeforce.o
similarity index 100%
rename from Codeforce/1/Codeforce.o
rename to Codeforce/Codeforce.o
diff --git a/Node JS/index.js b/Node JS/index.js
new file mode 100644
index 0000000..c37ac93
--- /dev/null
+++ b/Node JS/index.js	
@@ -0,0 +1,10 @@
+// setTimeout(() => {
+//     console.log('test');
+// }, 1000);
+
+// a=5;
+// console.log(global.a);
+
+
+console.log(__dirname);
+console.log(__filename);
\ No newline at end of file
diff --git a/Node JS/tempCodeRunnerFile.js b/Node JS/tempCodeRunnerFile.js
new file mode 100644
index 0000000..ed90465
--- /dev/null
+++ b/Node JS/tempCodeRunnerFile.js	
@@ -0,0 +1,3 @@
+setTimeout(() => {
+//     console.log('test');
+// }, 1000);
\ No newline at end of file
diff --git a/Python/first.py b/Python/first.py
new file mode 100644
index 0000000..a376d9b
--- /dev/null
+++ b/Python/first.py
@@ -0,0 +1,6 @@
+print('Shakil')
+
+a=5
+
+for i in range(1,10):
+    print(f' 5 * {i} = {a*i}')
\ No newline at end of file
diff --git a/Python/string.py b/Python/string.py
new file mode 100644
index 0000000..4de296e
--- /dev/null
+++ b/Python/string.py
@@ -0,0 +1,34 @@
+# print("Hello")
+# print('Hello')
+
+# a = "Hello"
+# print(a)
+
+# a = """Lorem ipsum dolor sit amet,
+# consectetur adipiscing elit,
+# sed do eiusmod tempor incididunt
+# ut labore et dolore magna aliqua."""
+# print(a)
+
+# a = "Hello, World!"
+# print(a[1])
+
+# for x in "Banana":
+#     print(x)
+
+# a = "Hello, World!"
+# print(len(a))
+
+# txt = "The best things in life are free!"
+# print("free" in txt)
+
+# txt = "The best things in life are free!"
+# if "free" in txt:
+#   print("Yes, 'free' is present.")
+
+# txt = "The best things in life are free!"
+# print("expensive" not in txt)
+
+txt = "The best things in life are free!"
+if "expensive" not in txt:
+  print("No, 'expensive' is NOT present.")
\ No newline at end of file
diff --git a/Python/tempCodeRunnerFile.py b/Python/tempCodeRunnerFile.py
new file mode 100644
index 0000000..a939d83
--- /dev/null
+++ b/Python/tempCodeRunnerFile.py
@@ -0,0 +1,3 @@
+txt = "The best things in life are free!"
+# if "free" in txt:
+#   print("Yes, 'free' is present.")
\ No newline at end of file
diff --git a/javascript/class1.js b/javascript/class1.js
new file mode 100644
index 0000000..62e6f0d
--- /dev/null
+++ b/javascript/class1.js
@@ -0,0 +1,19 @@
+
+// javascript variable
+
+var name = "Md. Shakil Hossain";
+var number = 15;
+console.log(name);
+console.log(number);
+
+let a = 10;
+console.log(a);
+
+
+const b = 20;
+console.log(b);
+
+
+// browser
+var x = prompt("input x");
+console.log(x);
\ No newline at end of file