diff --git a/README.md b/README.md
index 0955397..e2df4ec 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# basic-python-course
+# Basic-python-course
 
 ## Week 1
 
@@ -7,16 +7,18 @@
 ```python
 print('what to print')
 ```
+- output :<br> 
+what to print
 
 ### How to write comments
 
-#### Single Line
+### Single Line
 
 ```python
 # this is a single line comment.
 ```
 
-#### Multi Line
+### Multi Line
 
 ```python
 '''
@@ -28,7 +30,158 @@ comment.
 ### How to declare variables
 
 ```python
-a = 'some text' # declare a string variable
-b = 123         # an integer
-c = True        # a boolean
+a = 'some text'    # declare a string variable
+b = 123            # an integer
+c = True           # a boolean
+d = "hello world"  # declare a string variable menggunakaan tanda ("") petik dua  
+e = false          # a boolean
+f = 3.5            # a float
+g = 2+3j           # a complex
+h = [1,2,3,4]      # a list
+i = ("w","o","r","l","d") # a tuple
+
+```
+### Conditional
+
+```python
+def test_conditional():
+    nama = "wenty"
+
+    if(nama == "wenty"):
+        print ("this is if")
+    elif (nama == "tiara"):
+        print ("this is elif")
+    else:
+        print("else")
+
+test_conditional()
+```
+- output :<br> 
+this is if
+
+### How to Looping
+
+```python
+def test_looping():
+    for x in range (0,5):
+        print("nilai x:",x)
+
+    i = 0
+    while (i<5):
+        print ("nilai i:",i)
+        i += 1
+
+test_looping()
+```
+- output : <br>
+nilai x: 0<br>
+nilai x: 1<br>
+nilai x: 2<br>
+nilai x: 3<br>
+nilai x: 4<br>
+nilai i: 0<br>
+nilai i: 1<br>
+nilai i: 2<br>
+nilai i: 3<br>
+nilai i: 4
+
+### Function and Exception
+
+```python
+def test_function_return_value(input_value):
+    return input_value * 2
+
+print(test_function_return_value(4))
+print("-----------------")
+
+def my_function(temp_string):
+    print(temp_string + "<---")
+    return temp_string + "done"
+
+print(my_function("Test 1"))
+print(my_function("Test 2"))
+print(my_function("Test 3"))
+print("-----------------")
+
+def your_function(temp_string):
+    try:
+        result = temp_string + 5
+    except TypeError:
+        print(temp_string + "<---")
+    finally:
+        print("yeaaay")
+
+your_function("test 1")
+your_function("test 2")
+```
+- output :<br>
+8<br>
+-----------------<br>
+Test 1<---<br>
+Test 1done<br>
+Test 2<---<br>
+Test 2done<br>
+Test 3<---<br>
+Test 3done<br>
+-----------------<br>
+test 1<---<br>
+yeaaay<br>
+test 2<---<br>
+yeaaay
+
+### Namespace
+
+```python
+global_var = 10
+def test_namespace():
+    private_var = 5
+    global_var = 6
+
+    print ("private_var :", private_var)
+    print ("global_var :", global_var)
+
+print("global_var:",global_var)
+test_namespace()
+```
+- output :<br>
+global_var: 10<br>
+private_var : 5<br>
+global_var : 6
+
+### String Operator
+
+```python
+def test_string_operator():
+    full_string = "this is full string"
+    temp_string = "temp string"
+    upper_string = "THIS IS UPPER"
+    lower_string = "this is lower"
+
+    # Concat :
+    print(full_string+temp_string)
+    # Slicing :
+    print(full_string[3:6])
+    # Lower :
+    print(upper_string.lower())
+    # Upper :
+    print(lower_string.upper())
+    # Len :
+    print(len(full_string))
+    # Strip :
+    print(full_string.strip("t"))
+    # Replace :
+    print(full_string.replace("full","name"))
+    # Split
+    print(full_string.split("is"))
+
+test_string_operator()
 ```
+- output :<br>
+this is full stringtemp string<br>
+s i<br>
+this is upper<br>
+THIS IS LOWER<br>
+19<br>
+his is full string<br>
+this is name string<br>
+['th', ' ', ' full string']
diff --git a/defrianafandi/list.py b/defrianafandi/list.py
new file mode 100644
index 0000000..20b4e2a
--- /dev/null
+++ b/defrianafandi/list.py
@@ -0,0 +1,13 @@
+my_list = []
+
+my_list.append(1)
+my_list.append(3)
+my_list.append(5)
+
+my_list.append(("Defrian", "Afandi", "Hasan"))
+
+colors = {}
+colors["Biru"] = "Blue"
+my_list.append(colors)
+
+print(my_list)
\ No newline at end of file
diff --git a/defrianafandi/list_2D.py b/defrianafandi/list_2D.py
new file mode 100644
index 0000000..72974a5
--- /dev/null
+++ b/defrianafandi/list_2D.py
@@ -0,0 +1,31 @@
+list2d = []
+list2d.append([])
+list2d.append([])
+list2d.append([])
+list2d.append([])
+
+
+list2d[0].append(1)
+list2d[0].append(1)
+list2d[0].append(1)
+list2d[0].append(1)
+
+list2d[1].append(1)
+list2d[1].append("-")
+list2d[1].append("-")
+list2d[1].append(1)
+
+list2d[2].append(1)
+list2d[2].append("-")
+list2d[2].append("-")
+list2d[2].append(1)
+
+list2d[3].append(1)
+list2d[3].append(1)
+list2d[3].append(1)
+list2d[3].append(1)
+
+for y in list2d:
+    for x in y:
+        print(x, end=" ")
+    print()
\ No newline at end of file
diff --git a/defrianafandi/list_comprhension.py b/defrianafandi/list_comprhension.py
new file mode 100644
index 0000000..675fc18
--- /dev/null
+++ b/defrianafandi/list_comprhension.py
@@ -0,0 +1,22 @@
+angka = [1, 2, 3]
+print("isi List : ", angka)
+
+multiply8 = [ m * 8 for m in angka]
+print("Nilai 8 kali dari isi elemen List : ", multiply8)
+
+a = [1, 2, 3, 4, 5]
+x = a + a
+y = a * 3
+
+print("a : ", a)
+print("x : ", x)
+print("y : ", y)
+
+jumlah = sum(a)
+print("jumlah dari a : ", jumlah)
+
+terbesar = max(a)
+print("Nilai maksimum dari a : ", terbesar)
+
+terkecil = min(a)
+print("Nilai minimum dari a :  ", terkecil)
\ No newline at end of file
diff --git a/defrianafandi/list_loop.py b/defrianafandi/list_loop.py
new file mode 100644
index 0000000..c7a9122
--- /dev/null
+++ b/defrianafandi/list_loop.py
@@ -0,0 +1,20 @@
+friends = ["Fahmi", "Tomi", "Ahmad", "Abi", "Ardi"]
+for teman in friends:
+    print(teman)
+
+print()
+print(friends[0])
+print(friends[3])
+print(friends[2])
+print(friends[4])
+print(friends[1])
+
+print()
+print("Asli : ", friends)
+friends.reverse()
+print("Reverse : ", friends)
+
+friends.pop()
+print("Pop : ", friends)
+friends.append("Ama")
+print("Append : ", friends)
\ No newline at end of file
diff --git a/defrianafandi/list_method.py b/defrianafandi/list_method.py
new file mode 100644
index 0000000..3e9fe27
--- /dev/null
+++ b/defrianafandi/list_method.py
@@ -0,0 +1,23 @@
+friends = ["Faiz Alauddin"]
+friends.append("Ma'ruf")
+print("Isi List : ", friends)
+
+friends.insert(1, "Darmawan")
+print("List My friends : ", friends)
+
+print()
+women_friends = ["Tsniyah", "Rahmawati", "Tasya", "Rini"]
+friends.extend(women_friends[0:4])
+print("Gabungkan List : ", friends)
+
+print()
+friends.sort()
+print("Urutkan Berdasakan abjad : ", friends)
+
+print()
+friends.reverse()
+print("Reverse : ", friends)
+
+print()
+friends.remove("Alauddin")
+print("Remove Mustofa :  ", friends)
\ No newline at end of file
diff --git a/defrianafandi/tuple.py b/defrianafandi/tuple.py
new file mode 100644
index 0000000..25a8a4c
--- /dev/null
+++ b/defrianafandi/tuple.py
@@ -0,0 +1,25 @@
+my_tuple = tuple(["Hot", "Cold", "Windy"])
+
+print("Suhu : ", my_tuple)
+# list berisi angka
+a = (1, 2, 3, 4, 5)
+
+# Tuple berisi karakter dan string
+b = ('a', 'b', 'c', 'd')
+c = ('Senin', 'Selasa', 'Rabu', 'Kamis', 'Jumat')
+
+# Tuple berisi list, tuple, dan dictionary
+d = ([1, 2, 3], [1, 2, 3], [1, 2, 3])
+e = ((1, 2, 3), (1, 2, 3), (1, 2, 3))
+f = ({'a':1, 'b':2, 'c':3},{'a':2, 'b':3, 'c':4},{'a':3, 'b':4, 'c':5})
+
+# Tuple campuran
+g = (1, 'b', 2, 'Hot', [1, 2, 3], (1, 2, 3), {'Cold':1, 'Windy':2})
+
+print ("Tuple Angka : ", a)
+print ("Tuple Karakter : ", b)
+print ("Tuple String : ", c)
+print ("Tuple berisi List : ", d)
+print ("Tuple berisi Tuple : ", e)
+print ("Tuple berisi Dictionary : ", f)
+print ("Tuple Campuran : ", g)
\ No newline at end of file
diff --git a/defrianafandi/tuple_immutable.py b/defrianafandi/tuple_immutable.py
new file mode 100644
index 0000000..a71e79b
--- /dev/null
+++ b/defrianafandi/tuple_immutable.py
@@ -0,0 +1,13 @@
+Animal = ('bird', 'snake', 'mouse')
+
+# This causes an error.
+# TypeError: 'tuple' object does not support item assignment
+# tuple[0] = 'cat'
+
+#mengubah isi tuple harus diubah ke list dulu
+t = list(Animal)
+t[0] = "burung"
+t[1] = "ular"
+Animal = tuple(t)
+
+print("Mengubah Isi Tuple : ", Animal)
\ No newline at end of file
diff --git a/defrianafandi/tuple_pack_unpack.py b/defrianafandi/tuple_pack_unpack.py
new file mode 100644
index 0000000..39bd4bd
--- /dev/null
+++ b/defrianafandi/tuple_pack_unpack.py
@@ -0,0 +1,11 @@
+# Create packed tuple.
+fruits = ("5 kg", "Anggur", "Ungu")
+
+# Unpack tuple.
+(berat, Nama_Buah, warna) = fruits
+
+# Display unpacked variables.
+print("Berat : ", berat)
+print("Nama Buah : ", Nama_Buah)
+print("Warna : ", warna)
+print("Isi List : ", fruits)
\ No newline at end of file
diff --git a/defrianafandi/week2_dictionary.py b/defrianafandi/week2_dictionary.py
new file mode 100644
index 0000000..59d61e8
--- /dev/null
+++ b/defrianafandi/week2_dictionary.py
@@ -0,0 +1,38 @@
+buah = {}
+buah["Apple"] = 20
+buah["Klengkeng"] = 50
+buah[1] = "rambutan"
+
+print(buah)
+
+#get, untuk mengambil value dengan key tertentu
+#has_key, untuk memeriksa apakah dict mempunyai suatu key
+#keys, mengambil key saja
+#items, mengambil value saja
+#update, menambah isi dict
+#pop, membuang salah satu elemen berdasarkan dict
+#popitem, membuang salah satu elemen
+#clear, mengosongkan dict
+
+x = {"nama":"defrian", "kelas":"reg A", "jurusan":"IF"}
+y = {"zoo":"no"}
+
+print(x.get("kelas"))
+
+print(x.keys())
+print(x.items())
+
+x.update(y)
+print(x)
+
+x.pop("kelas")
+print(x)
+
+x.popitem()
+print(x)
+
+x.clear()
+y.clear()
+
+print(x)
+print(y)
\ No newline at end of file