diff --git a/errorcode/division_by_zero.py b/errorcode/division_by_zero.py
new file mode 100644
index 0000000..5fe2adb
--- /dev/null
+++ b/errorcode/division_by_zero.py
@@ -0,0 +1 @@
+print(5 / 0)
\ No newline at end of file
diff --git a/errorcode/function_argument_missing.py b/errorcode/function_argument_missing.py
new file mode 100644
index 0000000..d45de85
--- /dev/null
+++ b/errorcode/function_argument_missing.py
@@ -0,0 +1,4 @@
+def my_function(arg1, arg2):
+    pass
+
+my_function(1)
\ No newline at end of file
diff --git a/errorcode/import_missing_module.py b/errorcode/import_missing_module.py
new file mode 100644
index 0000000..7973cd9
--- /dev/null
+++ b/errorcode/import_missing_module.py
@@ -0,0 +1 @@
+import non_existing_module
\ No newline at end of file
diff --git a/errorcode/index_out_of_range.py b/errorcode/index_out_of_range.py
new file mode 100644
index 0000000..b665c23
--- /dev/null
+++ b/errorcode/index_out_of_range.py
@@ -0,0 +1,2 @@
+arr = [1, 2, 3, 4, 5]
+print(arr[7])
diff --git a/errorcode/missing_dict_key.py b/errorcode/missing_dict_key.py
new file mode 100644
index 0000000..1860840
--- /dev/null
+++ b/errorcode/missing_dict_key.py
@@ -0,0 +1,2 @@
+data = {'name': 'John'}
+print(data['age'])
\ No newline at end of file
diff --git a/errorcode/mutable_dict_key.py b/errorcode/mutable_dict_key.py
new file mode 100644
index 0000000..c2e10e8
--- /dev/null
+++ b/errorcode/mutable_dict_key.py
@@ -0,0 +1,2 @@
+key_list = [1, 2, 3]
+my_dict = {key_list: 'value'}
\ No newline at end of file
diff --git a/errorcode/pop-from_empty_list.py b/errorcode/pop-from_empty_list.py
new file mode 100644
index 0000000..276f4a2
--- /dev/null
+++ b/errorcode/pop-from_empty_list.py
@@ -0,0 +1,2 @@
+arr = []
+print(arr.pop())
\ No newline at end of file
diff --git a/errorcode/recursion_limit_exceed.py b/errorcode/recursion_limit_exceed.py
new file mode 100644
index 0000000..8abe959
--- /dev/null
+++ b/errorcode/recursion_limit_exceed.py
@@ -0,0 +1,4 @@
+def recursive():
+    return recursive()
+
+recursive()
\ No newline at end of file
diff --git a/errorcode/string_number_addtion.py b/errorcode/string_number_addtion.py
new file mode 100644
index 0000000..e360948
--- /dev/null
+++ b/errorcode/string_number_addtion.py
@@ -0,0 +1,2 @@
+value = '100'
+print(value + 50)
\ No newline at end of file