style(5-1): 移除测试断言中的 f-string- 删除了测试断言中不必要的 f-string 表达式

- 简化了断言的错误信息输出格式

5-1.py

@@ -126,7 +126,7 @@ similarity_test = similarities_full_rdd.filter(lambda x: x[0][0] == 'b00005lzly'
 print(len(similarity_test))
 
 # 测试
-assert len(similarity_test) == 1, f"incorrect len(similarity_test)"
-assert similarities_full_rdd.count() == 2441088, f"incorrect similarities_full_rdd.count()"
+assert len(similarity_test) == 1, "incorrect len(similarity_test)"
+assert similarities_full_rdd.count() == 2441088, "incorrect similarities_full_rdd.count()"
 
 sc.stop()