diff --git a/dotfiles/i3/scripts/crypto b/dotfiles/i3/scripts/crypto
index f4154a1..29f7671 100755
--- a/dotfiles/i3/scripts/crypto
+++ b/dotfiles/i3/scripts/crypto
@@ -4,22 +4,32 @@ import argparse
 import requests
 
 
-parser = argparse.ArgumentParser()
-parser.add_argument("coin")
-parser.add_argument("-b", "--base", default="USD")
-parser.add_argument("-r", "--round", type=int, default=2)
-args = parser.parse_args()
-coin = args.coin.upper()
-base = args.base.upper()
-round_nb = args.round
+def parse_arguments():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("coin")
+    parser.add_argument("-b", "--base", default="USD")
+    parser.add_argument("-r", "--round", type=int, default=2)
+    args = parser.parse_args()
 
-req = requests.get(
-    "https://api.coinranking.com/v1/public/coins?base={}&symbols={}".format(base, coin)
-)
-req_j = req.json()
-data = req_j["data"]
-base_sign = data["base"]["sign"]
-coin_data = data["coins"][0]
-price = float(coin_data["price"])
+    return args
 
-print("{} = {}{}".format(coin, base_sign, round(price, round_nb)))
+def compute(args):
+    coin = args.coin.upper()
+    base = args.base.upper()
+    round_nb = args.round
+
+    req = requests.get(
+        "https://api.coinranking.com/v1/public/coins?base={}&symbols={}".format(
+            base, coin
+        )
+    )
+    req_j = req.json()
+    data = req_j["data"]
+    base_sign = data["base"]["sign"]
+    coin_data = data["coins"][0]
+    price = float(coin_data["price"])
+
+    return "{} = {}{}".format(coin, base_sign, round(price, round_nb))
+
+
+print(compute(parse_arguments()))