diff --git a/evdspy_tes_t.py b/evdspy_tes_t.py
deleted file mode 100644
index b935a2c..0000000
--- a/evdspy_tes_t.py
+++ /dev/null
@@ -1,22 +0,0 @@
-
-from evdspy import get_series, default_start_date_fnc, default_end_date_fnc
-import pandas as pd  
-def get_api_key():
-    import os
-    return os.getenv("EVDS_API_KEY")
-
-assert isinstance(get_api_key(), str) and len(get_api_key()) == 10
-
-def t1():
-    df = get_series("TP.ODEMGZS.BDTTOPLAM",
-                    frequency="monthly",
-                    start_date=default_start_date_fnc(),
-                    end_date=default_end_date_fnc(),
-                    aggregation=("avg",),
-                    cache=False,
-                    debug=False,
-                    api_key=get_api_key())
-    print(df)
-    assert isinstance(df, pd.DataFrame)
-if __name__ == "__main__":
-    t1()
\ No newline at end of file
diff --git a/example.py b/example.py
index 89a1c1d..b935a2c 100644
--- a/example.py
+++ b/example.py
@@ -1,35 +1,22 @@
-import pandas as pd
 
-from evdspy import get_series, get_series_exp
+from evdspy import get_series, default_start_date_fnc, default_end_date_fnc
+import pandas as pd  
+def get_api_key():
+    import os
+    return os.getenv("EVDS_API_KEY")
 
-template = """TP_GSYIH01_GY_CF
-TP_GSYIH02_GY_CF
-TP_GSYIH03_GY_CF
-TP_GSYIH04_GY_CF
-TP_GSYIH05_GY_CF
-TP_GSYIH06_GY_CF
-TP_GSYIH07_GY_CF
-TP_GSYIH08_GY_CF
-TP_GSYIH09_GY_CF
-TP_GSYIH10_GY_CF
-TP_GSYIH11_GY_CF
-TP_GSYIH14_GY_CF
-TP_GSYIH15_GY_CF
-TP_GSYIH16_GY_CF
-"""
+assert isinstance(get_api_key(), str) and len(get_api_key()) == 10
 
-# pandas dataframe
-df = get_series(template, cache=False)
-print(df)
-
-# Result Class instance
-#   .data       : pd.DataFrame (data)        e.g. result.data
-#   .metadata   : pd.DataFrame (metadata)    e.g. result.metadata
-#   .write()    : Callable                   e.g. result.write("example.xlsx")
-result = get_series_exp(template, cache=False)
-
-print(result)  # Result
-print(result.data)  # pd.DataFrame
-print(result.metadata)  # pd.DataFrame
-
-result.write("example.xlsx")
+def t1():
+    df = get_series("TP.ODEMGZS.BDTTOPLAM",
+                    frequency="monthly",
+                    start_date=default_start_date_fnc(),
+                    end_date=default_end_date_fnc(),
+                    aggregation=("avg",),
+                    cache=False,
+                    debug=False,
+                    api_key=get_api_key())
+    print(df)
+    assert isinstance(df, pd.DataFrame)
+if __name__ == "__main__":
+    t1()
\ No newline at end of file
diff --git a/main.py b/main.py
index 33c156a..89a1c1d 100644
--- a/main.py
+++ b/main.py
@@ -1,2 +1,35 @@
-from evdspy import menu 
-menu()
\ No newline at end of file
+import pandas as pd
+
+from evdspy import get_series, get_series_exp
+
+template = """TP_GSYIH01_GY_CF
+TP_GSYIH02_GY_CF
+TP_GSYIH03_GY_CF
+TP_GSYIH04_GY_CF
+TP_GSYIH05_GY_CF
+TP_GSYIH06_GY_CF
+TP_GSYIH07_GY_CF
+TP_GSYIH08_GY_CF
+TP_GSYIH09_GY_CF
+TP_GSYIH10_GY_CF
+TP_GSYIH11_GY_CF
+TP_GSYIH14_GY_CF
+TP_GSYIH15_GY_CF
+TP_GSYIH16_GY_CF
+"""
+
+# pandas dataframe
+df = get_series(template, cache=False)
+print(df)
+
+# Result Class instance
+#   .data       : pd.DataFrame (data)        e.g. result.data
+#   .metadata   : pd.DataFrame (metadata)    e.g. result.metadata
+#   .write()    : Callable                   e.g. result.write("example.xlsx")
+result = get_series_exp(template, cache=False)
+
+print(result)  # Result
+print(result.data)  # pd.DataFrame
+print(result.metadata)  # pd.DataFrame
+
+result.write("example.xlsx")
diff --git a/main_t.py b/main_help.py
similarity index 100%
rename from main_t.py
rename to main_help.py
diff --git a/main_menu.py b/main_menu.py
new file mode 100644
index 0000000..33c156a
--- /dev/null
+++ b/main_menu.py
@@ -0,0 +1,2 @@
+from evdspy import menu 
+menu()
\ No newline at end of file