添加切分字符串测试

tests/split_str_test.py

@@ -0,0 +1,17 @@
+def divide_string(s, num_parts):
+    n = len(s)
+    part_size = n // num_parts
+    sizes = [part_size + 1 if i < n % num_parts else part_size for i in range(num_parts)]
+    parts = []
+    start = 0
+    for size in sizes:
+        parts.append(s[start:start + size])
+        start += size
+    return parts
+
+# Example usage
+input_string = "12345678900"
+num_parts = 3
+parts = divide_string(input_string, num_parts)
+for i, part in enumerate(parts):
+    print(f"Part {i + 1}: {part}")