Add exercises 21 - Not solved

Signed-off-by: Manuel Vergara <manuel@vergaracarmona.es>

30-days-of-python/22_Web_scraping/bu_stats.json

@@ -0,0 +1,48 @@
+{
+  "Community": {
+    "Student Body": "37,557",
+    "Living Alumni": "431,000+",
+    "Total Employees": "10,674",
+    "Faculty": "4,309",
+    "Nondegree Students": "1,337",
+    "Graduate & Professional Students": "18,476",
+    "Undergraduate Students": "17,744",
+    "Classrooms": "848",
+    "Buildings": "343",
+    "Laboratories": "1,481",
+    "Libraries": "13",
+    "Campus Area (acres)": "140",
+    "Study Abroad Programs": "80+",
+    "Average Class Size": "30",
+    "Student/Faculty Ratio": "11:1",
+    "Schools and Colleges": "17",
+    "Programs of Study": "300+",
+    "Research Expenditures (FY22)": "$630.7M",
+    "Research Awards": "$674M",
+    "BMC Clinical Research Grants (FY22)": "$82M",
+    "Average Total Need-Based Financial Aid": "$57,237",
+    "Average Need-Based Grant/Scholarship": "$53,029",
+    "Grants & Scholarships (need-based)": "$388.4M",
+    "Grants & Scholarships (non-need-based)": "$26.5M",
+    "Community Service Hours": "130,000+",
+    "Alternative Service Breaks Participants": "65+",
+    "BU on Social": "new accounts daily",
+    "Cultural & Religious Organizations": "80+",
+    "Community Service & Justice Organizations": "70+",
+    "Academic & Professional Organizations": "140+",
+    "Art & Performance Organizations": "60+",
+    "Student Organizations": "450+",
+    "First-Year Student Outreach Project Volunteers": "400+",
+    "Faculty Publications": "7,000+",
+    "Student UROP Participants": "450+",
+    "Centers & Institutes": "130+",
+    "Global Initiatives": "300+",
+    "Cultural Student Groups": "60+",
+    "Alumni Countries": "180+",
+    "International Students": "10,000+",
+    "Intramural Sports & Tournaments": "12+",
+    "Club and Intramural Sports Participants": "7,000+",
+    "Club Sports": "36",
+    "Varsity Sports": "24"
+  }
+}