diff --git a/pipeline/functions.py b/pipeline/functions.py
new file mode 100644
index 0000000..1eaf7a7
--- /dev/null
+++ b/pipeline/functions.py
@@ -0,0 +1,121 @@
+### Basic functions
+
+import copy
+
+
+def increment(inp):
+    # list-of-int -> list-of-int #
+    return [each + 1 for each in inp]
+
+
+def decrement(inp):
+    # list-of-int -> list-of-int #
+    return [each - 1 for each in inp]
+
+
+def multiply_by_five(inp):
+    # list-of-int -> list-of-int #
+    return [each * 5 for each in inp]
+
+
+def delete_last(inp):
+    # list-of-int -> list-of-int #
+    inp.pop()
+    return inp
+
+
+def sum_list(inp):
+    # list-of-int -> int #
+    accu = 0
+    for each in inp:
+        accu += each
+    return accu
+
+
+def max_val(inp):
+    # list-of-int -> int #
+    return max(inp)
+
+
+def lenght(inp):
+    # list-of-int -> int #
+    return len(inp)
+
+
+def average(inp):
+    # list-of-int -> int #
+    return sum_list(inp) / len(inp)
+
+
+def add_zero_to_end(inp):
+    # list-of-int -> list-of-int #
+    inp.append(0)
+    return inp
+
+### Intermidiet functions 
+
+def count_ones(inp):
+    # list-of-int -> int #
+    accu = 0
+    for each in inp:
+        if each == 1:
+            accu += 1
+    return accu
+
+
+def reverse_list(inp):
+    # list-of-int -> list-of-int #
+    return inp[::-1]
+
+
+def mirror(inp):
+    # list-of-int -> list-of-int #
+    return inp + inp[::-1]
+
+
+def exchange_fours_to_ones(inp):
+    # list-of-int -> list-of-int #
+    for i in range(len(inp)):
+        if inp[i] == 4:
+            inp[i] = 1
+    return inp
+
+
+def delete_even_indx(inp):
+    # list-of-int -> list-of-int #
+    del inp[1::2]
+    return inp
+
+
+def copy_list(inp):
+    # list-of-int -> list-of-int #
+    return inp + inp
+
+
+### Advanced 
+
+def change_max_val_to_zero(inp):
+    # list-of-int -> list-of-int #
+    for i in range(len(inp)):
+        if inp[i] == max(inp):
+            inp[i] = 0
+    return inp
+
+
+def add_zero_if_ends_with_6(inp):
+    # list-of-int -> list-of-int #
+    if inp[len(inp) - 1] == 6:
+        inp.append(0)
+    return inp
+
+
+def if_contains_3_do_reverse(inp):
+    # list-of-int -> list-of-int #
+    if 3 in inp:
+        return inp[::-1]
+    else:
+        return inp
+        
+
+
+
diff --git a/pipeline/tokens/function_name_tokens.json b/pipeline/tokens/function_name_tokens.json
new file mode 100644
index 0000000..7ad62ed
--- /dev/null
+++ b/pipeline/tokens/function_name_tokens.json
@@ -0,0 +1,9 @@
+{ 
+    "increment" : ["increment", "next", "increase", "add_one"],
+    "decrement" : ["decrement", "previous", "decrease", "subtract_one"],
+    "sum" : ["sum_all", "add_all", "summation"],
+    "append" : ["append", "add_element", "insert_to_tail"],
+    "remove" : ["remove", "delete_element", "delete_el"],
+    "len" : ["lenght", "len"],
+    "concatenate" : ["connect", "join", "concatenate", "combine_two"]
+}
\ No newline at end of file
diff --git a/pipeline/tokens/primitives_tokens.json b/pipeline/tokens/primitives_tokens.json
new file mode 100644
index 0000000..75cd72c
--- /dev/null
+++ b/pipeline/tokens/primitives_tokens.json
@@ -0,0 +1,17 @@
+
+{ 
+    "++" : ["<variable>++", "<variable> += 1", "<variable> = <variable> + 1"],
+    "--" : ["<variable>--", "<variable> -= 1", "<variable> = <variable> - 1"],
+    "append" : ["<variable1>.append(<variable2>)", "<variable1> +[<variable2>]"],
+    "remove" : ["<variable1>.remove(<variable2>)", "<variable1> +[<variable2>]"],
+    "concatenate" : ["<variable1> + <variable2>", "<variable1>.extend(<variable2>)"]
+
+}
+
+
+
+
+
+
+
+
diff --git a/pipeline/tokens/variables_tokens.json b/pipeline/tokens/variables_tokens.json
new file mode 100644
index 0000000..8a1a836
--- /dev/null
+++ b/pipeline/tokens/variables_tokens.json
@@ -0,0 +1,10 @@
+{
+    "i" : ["i", "k", "index", "counter"],
+    "v" : ["var", "variable", "v"],
+    "t" : ["tem", "temp", "t"],
+    "list" : ["l", "list"],
+    "number" : ["number", "num", "n"],
+    "object" : ["object",  "obj", "o"],
+    "accu" : ["accumulated", "accu", "summed"]
+}
+