From 597ef55d896c946b0e049c0b881bb5771932586f Mon Sep 17 00:00:00 2001
From: Sangeeth Santhosh <73825180+sangeeths29@users.noreply.github.com>
Date: Sat, 21 Jun 2025 23:24:02 -0700
Subject: [PATCH] Add files via upload

---
 01-GroupSoldProductsByTheDate.py                       | 10 ++++++++++
 02-DailyLeadsandPartners.py                            | 10 ++++++++++
 03-ActorsandDirectorswhoCooperatedAtLeastThreeTimes.py |  7 +++++++
 3 files changed, 27 insertions(+)
 create mode 100644 01-GroupSoldProductsByTheDate.py
 create mode 100644 02-DailyLeadsandPartners.py
 create mode 100644 03-ActorsandDirectorswhoCooperatedAtLeastThreeTimes.py

diff --git a/01-GroupSoldProductsByTheDate.py b/01-GroupSoldProductsByTheDate.py
new file mode 100644
index 0000000..3103532
--- /dev/null
+++ b/01-GroupSoldProductsByTheDate.py
@@ -0,0 +1,10 @@
+# Problem 1 - Group Sold Products by the Date (https://leetcode.com/problems/group-sold-products-by-the-date/)
+import pandas as pd
+
+def categorize_products(activities: pd.DataFrame) -> pd.DataFrame:
+    groups = activities.groupby('sell_date').agg(
+        num_sold = ('product', 'nunique'),
+        product = ('product', lambda x : ','.join(sorted(set(x))))
+    ).reset_index()
+
+    return groups.sort_values(by = ['sell_date']).rename(columns = {'product' : 'products'})
\ No newline at end of file
diff --git a/02-DailyLeadsandPartners.py b/02-DailyLeadsandPartners.py
new file mode 100644
index 0000000..d1cd60f
--- /dev/null
+++ b/02-DailyLeadsandPartners.py
@@ -0,0 +1,10 @@
+# Problem 2 - Daily Leads and Partners ( https://leetcode.com/problems/daily-leads-and-partners/ )
+import pandas as pd
+
+def daily_leads_and_partners(daily_sales: pd.DataFrame) -> pd.DataFrame:
+    salegroups = daily_sales.groupby(['date_id', 'make_name']).agg(
+        unique_leads = ('lead_id', 'nunique'),
+        unique_partners = ('partner_id', 'nunique')
+    ).reset_index()
+
+    return salegroups.sort_values(by = ['date_id'])
\ No newline at end of file
diff --git a/03-ActorsandDirectorswhoCooperatedAtLeastThreeTimes.py b/03-ActorsandDirectorswhoCooperatedAtLeastThreeTimes.py
new file mode 100644
index 0000000..eb239e2
--- /dev/null
+++ b/03-ActorsandDirectorswhoCooperatedAtLeastThreeTimes.py
@@ -0,0 +1,7 @@
+# Problem 3 - Actors and Directors who Cooperated At Least Three Times (https://leetcode.com/problems/actors-and-directors-who-cooperated-at-least-three-times/)
+import pandas as pd
+
+def actors_and_directors(actor_director: pd.DataFrame) -> pd.DataFrame:
+    counts = actor_director.groupby(['actor_id', 'director_id']).size().reset_index(name='count')
+    freq_pairs = counts[counts['count'] >= 3]
+    return freq_pairs[['actor_id', 'director_id']]
\ No newline at end of file