diff --git a/other/logic_gate.py b/other/logic_gate.py
new file mode 100644
index 00000000..983f8d6a
--- /dev/null
+++ b/other/logic_gate.py
@@ -0,0 +1,200 @@
+# Program sedergana untuk membuat gerbang logika
+# https://en.wikipedia.org/wiki/Logic_gate
+
+
+def NOT_gate(input_1 : int) -> int | str:
+    """
+    NOT gate adalah gerbang logika yang menghasilkan 0
+    jika input satu dan begitu juga sebaliknya.
+
+    >>> NOT_gate(1)
+    0
+    >>> NOT_gate(0)
+    1
+
+    """
+    error = "angka hanya satu dan nol"
+    if input_1 == 1 :
+        return 0
+    elif input_1 == 0 :
+        return 1
+    else :
+        return error
+
+
+def OR_gate(int_1 : int , int_2 : int) -> int | str:
+    """
+    OR gate adalah gerbang yang menghasilkan 0 jika dua
+    input 0.
+
+    >>> OR_gate(0,0)
+    0
+    >>> OR_gate(0,1)
+    1
+    >>> OR_gate(1,0)
+    1
+    >>> OR_gate(1,1)
+    1
+    >>> OR_gate(3,0)
+    'angka hanya satu dan nol'
+
+    """
+    error = "angka hanya satu dan nol"
+    if int_1 == 0 and int_2 == 0:
+        return 0
+    elif int_1 == 1 and int_2 == 0:
+        return 1
+    elif int_1 == 0 and int_2 == 1:
+        return 1
+    elif int_1 == 1 and int_2 == 1:
+        return 1
+    else:
+        return error
+
+
+def AND_gate(int_1 : int , int_2 : int) -> int | str:
+    """
+    AND gate adalah gerbang yang menghasilkan 1 jika dua
+    input 1.
+
+    >>> AND_gate(0,0)
+    0
+    >>> AND_gate(0,1)
+    0
+    >>> AND_gate(1,0)
+    0
+    >>> AND_gate(1,1)
+    1
+    >>> NAND_gate(3,0)
+    'angka hanya satu dan nol'
+
+    """
+    error = "angka hanya satu dan nol"
+    if int_1 == 0 and int_2 == 0:
+        return 0
+    elif int_1 == 1 and int_2 == 0:
+        return 0
+    elif int_1 == 0 and int_2 == 1:
+        return 0
+    elif int_1 == 1 and int_2 == 1:
+        return 1
+    else:
+        return error
+
+
+def NAND_gate(int_1 : int , int_2 : int) -> int | str:
+    """
+    NAND gate adalah gerbang yang menghasilkan 0 jika dua
+    input 1.
+
+    >>> NAND_gate(0,0)
+    1
+    >>> NAND_gate(0,1)
+    1
+    >>> NAND_gate(1,0)
+    1
+    >>> NAND_gate(1,1)
+    0
+    >>> NAND_gate(3,0)
+    'angka hanya satu dan nol'
+
+    """
+    error = "angka hanya satu dan nol"
+    if int_1 == 0 and int_2 == 0:
+        return 1
+    elif int_1 == 1 and int_2 == 0:
+        return 1
+    elif int_1 == 0 and int_2 == 1:
+        return 1
+    elif int_1 == 1 and int_2 == 1:
+        return 0
+    else:
+        return error
+
+
+def NOR_GATE(int_1 : int , int_2 : int) -> int | str:
+    """
+    NOR gate adalah gerbang yang menghasilkan 1 jika dua
+    input 0.
+
+    >>> NAND_gate(0,0)
+    1
+    >>> NAND_gate(0,1)
+    1
+    >>> NAND_gate(1,0)
+    1
+    >>> NAND_gate(1,1)
+    0
+    >>> NAND_gate(3,0)
+    'angka hanya satu dan nol'
+
+    """
+    error = "angka hanya satu dan nol"
+    if int_1 == 0 and int_2 == 0:
+        return 1
+    elif int_1 == 1 and int_2 == 0:
+        return 0
+    elif int_1 == 0 and int_2 == 1:
+        return 0
+    elif int_1 == 1 and int_2 == 1:
+        return 0
+    else:
+        return error
+
+
+def XOR_gate(int_1 : int , int_2 : int) -> int | str:
+    """
+    XOR gate adalah gerbang yang akan menghasilkan angka 1 jika
+    input nya berlawanan.
+    >>> XOR_gate(0,0)
+    0
+    >>> XOR_gate(1,0)
+    1
+    >>> XOR_gate(0,1)
+    1
+    >>> XOR_gate(1,1)
+    0
+    """
+    error = "angka hanya satu dan nol"
+    if int_1 == 0 and int_2 == 0:
+        return 0
+    elif int_1 == 1 and int_2 == 0:
+        return 1
+    elif int_1 == 0 and int_2 == 1:
+        return 1
+    elif int_1 == 1 and int_2 == 1:
+        return 0
+    else:
+        return error
+
+
+def XNOR_gate(int_1  : int, int_2 : int) -> int | str:
+    """
+    XNOR gate adalah gerbang yang yang akan menghasilkan 1 jika
+    inputnya sama.
+    >>> XNOR_gate(0,0)
+    1
+    >>> XNOR_gate(1,0)
+    0
+    >>> XNOR_gate(0,1)
+    0
+    >>> XNOR_gate(1,1)
+    1
+    """
+    error = "angka hanya satu dan nol"
+    if int_1 == 0 and int_2 == 0:
+        return 1
+    elif int_1 == 1 and int_2 == 0:
+        return 0
+    elif int_1 == 0 and int_2 == 1:
+        return 0
+    elif int_1 == 1 and int_2 == 1:
+        return 1
+    else:
+        return error
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()