From 3b25c18b6a1b1a255a2103c910eceffcf37e0251 Mon Sep 17 00:00:00 2001
From: aszerW <aszer27937@gmail.com>
Date: Mon, 13 Oct 2025 00:57:58 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0odds=E8=BD=AC=E6=A6=82?=
 =?UTF-8?q?=E7=8E=87?=
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---
 bet_calc.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 bet_calc.py

diff --git a/bet_calc.py b/bet_calc.py
new file mode 100644
index 0000000..616468e
--- /dev/null
+++ b/bet_calc.py
@@ -0,0 +1,22 @@
+
+
+
+
+def american_odds_to_probability(odds: int) -> float:
+    """
+    根据美式赔率计算概率（以小数形式返回）
+    :param odds: 美式赔率（正数或负数）
+    :return: 概率（0~1之间的小数）
+    """
+    if odds > 0:
+        probability = 100 / (odds + 100)
+    else:
+        probability = abs(odds) / (abs(odds) + 100)
+    return probability
+
+# 示例
+if __name__ == "__main__":
+    odds_list = [+150, -200, +300, -120]
+    for odds in odds_list:
+        prob = american_odds_to_probability(odds)
+        print(f"赔率 {odds}: 概率 {prob:.4f}")
\ No newline at end of file