diff --git a/harj_10/__pycache__/utils.cpython-38.pyc b/harj_10/__pycache__/utils.cpython-38.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..29700648978416476d2c5afc50321b299596ca8b
Binary files /dev/null and b/harj_10/__pycache__/utils.cpython-38.pyc differ
diff --git a/harj_10/tester.py b/harj_10/tester.py
new file mode 100644
index 0000000000000000000000000000000000000000..856dec207b8360603e348d8c2a7a12eccd8d45c5
--- /dev/null
+++ b/harj_10/tester.py
@@ -0,0 +1,12 @@
+from utils import show_info
+from utils import average
+from utils import subtract
+from utils import calc_consumption
+
+show_info() 
+
+print(average(10,20,30))
+
+print(subtract(100,10))
+
+calc_consumption()
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diff --git a/harj_10/utils.py b/harj_10/utils.py
new file mode 100644
index 0000000000000000000000000000000000000000..33bbc6dd5be9632e353dfa8697ec3825766d69fb
--- /dev/null
+++ b/harj_10/utils.py
@@ -0,0 +1,15 @@
+def show_info():
+    print("I´m utils.info")
+
+def subtract(a,b):
+    return a-b
+
+def average(a,b,c):
+    return (a+b+c)/3
+
+def calc_consumption():
+    kulutus= int(input("Anna kulutus: "))
+    hinta= int(input("Anna bensan hinta: "))
+    matka = int(input("Anna matka: "))
+    x= kulutus*hinta/matka*100
+    print(x)
\ No newline at end of file