🐍 Kurikulum Python untuk Guru Informatika

# Data siswa kelas X
nama = input("Nama Siswa: ")
kelas = "X-1"
nilai_harian = 85.5
hadir = True

# Konversi & operasi dasar
tahun_lahir = 2026 - 16
status_lulus = nilai_harian >= 75

print(f"\n🎫 Kartu Siswa Digital")
print(f"Nama  : {nama}")
print(f"Kelas : {kelas}")
print(f"Usia  : {tahun_lahir} tahun")
print(f"Nilai : {nilai_harian} | Lulus: {status_lulus}")

# List nama siswa
siswa = ["Andi", "Budi", "Citra", "Dewi"]

# Dictionary nilai per mapel (key: nama, value: dict nilai)
nilai_siswa = {
    "Andi": {"Matematika": 90, "Fisika": 85},
    "Budi": {"Matematika": 78, "Fisika": 88},
    "Citra": {"Matematika": 92, "Fisika": 95}
}

# Akses & modifikasi
nilai_siswa["Dewi"] = {"Matematika": 88, "Fisika": 90}
nilai_siswa["Andi"]["Matematika"] = 91  # Update nilai

# Loop aman
print("📊 Rekap Nilai:")
for nama, mapel in nilai_siswa.items():
    rata = sum(mapel.values()) / len(mapel)
    print(f"{nama:<6} → Rata-rata: {rata:.1f}")

nilai_mapel = [72, 85, 90, 65, 88, 79, 45, 82]

lulus = []
remedial = []

for n in nilai_mapel:
    if n >= 75:
        lulus.append(n)
    else:
        remedial.append(n)

print(f"✅ Lulus: {len(lulus)} siswa | Rata: {sum(lulus)/len(lulus):.1f}")
print(f"🔄 Remedial: {len(remedial)} siswa | Nilai: {remedial}")

# Validasi input user
while True:
    try:
        input_nilai = float(input("\nMasukkan nilai baru (0-100): "))
        if 0 <= input_nilai <= 100:
            nilai_mapel.append(input_nilai)
            print("📌 Nilai berhasil ditambahkan!")
            break
        else:
            print("⚠️ Nilai harus antara 0 - 100.")
    except ValueError:
        print("❌ Masukkan angka yang valid.")

def hitung_rata(nilai_list: list[float]) -> float:
    """Menghitung rata-rata dari daftar nilai."""
    if not nilai_list: return 0.0
    return round(sum(nilai_list) / len(nilai_list), 2)

def konversi_huruf(nilai: float) -> str:
    """Konversi angka ke predikat A-E."""
    if nilai >= 90: return "A"
    if nilai >= 80: return "B"
    if nilai >= 70: return "C"
    if nilai >= 60: return "D"
    return "E"

def proses_kelas(data_nilai: dict[str, list[float]]) -> dict:
    """Memproses seluruh kelas dan mengembalikan statistik."""
    laporan = {}
    for siswa, nilai in data_nilai.items():
        rata = hitung_rata(nilai)
        laporan[siswa] = {
            "rata": rata,
            "predikat": konversi_huruf(rata),
            "status": "Lulus" if rata >= 70 else "Remedial"
        }
    return laporan

# Penggunaan
kelas_12 = {
    "Rina": [88, 90, 85],
    "Dimas": [65, 70, 72],
    "Sari": [92, 95, 90]
}

rekap = proses_kelas(kelas_12)
for nama, info in rekap.items():
    print(f"{nama:<6} | {info['rata']:<4} | {info['predikat']} | {info['status']}")

import csv
import json
from datetime import datetime

# Data simulasi
siswa_data = [
    {"nis": "1001", "nama": "Andi", "mapel": "Matematika", "nilai": 85},
    {"nis": "1002", "nama": "Budi", "mapel": "Matematika", "nilai": 78},
    {"nis": "1001", "nama": "Andi", "mapel": "Fisika", "nilai": 92}
]

# 1. Simpan ke CSV
with open("data_nilai.csv", "w", newline="", encoding="utf-8") as f:
    writer = csv.DictWriter(f, fieldnames=["nis", "nama", "mapel", "nilai"])
    writer.writeheader()
    writer.writerows(siswa_data)
print("✅ CSV tersimpan.")

# 2. Baca & Kelompokkan per Siswa
rekap = {}
with open("data_nilai.csv", "r", encoding="utf-8") as f:
    reader = csv.DictReader(f)
    for row in reader:
        nis = row["nis"]
        rekap.setdefault(nis, {"nama": row["nama"], "nilai": []})
        rekap[nis]["nilai"].append(float(row["nilai"]))

# 3. Ekspor ke JSON
with open("rapor_kelas.json", "w", encoding="utf-8") as f:
    json.dump(rekap, f, indent=2, ensure_ascii=False)
print("📘 JSON rapor berhasil dibuat.")

from flask import Flask, render_template_string, request, redirect, url_for
import json, os

app = Flask(__name__)
DATA_FILE = "data_absensi.json"

# Template HTML sederhana (bisa dipisah ke templates/index.html)
HTML_TEMPLATE = """




  
📋 Absensi Kelas X-RPL
  

    
    
      Hadir
      Sakit
      Izin
    
    Simpan
  
  

  
    {% for row in data %}
    
    {% endfor %}
  

    
Nama
Status
Waktu
{{row.nama}}
{{row.status}}
{{row.waktu}}


"""

def load_data():
    if os.path.exists(DATA_FILE):
        with open(DATA_FILE, "r") as f: return json.load(f)
    return []

@app.route("/", methods=["GET", "POST"])
def index():
    data = load_data()
    if request.method == "POST":
        baru = {
            "nama": request.form["nama"],
            "status": request.form["status"],
            "waktu": __import__("datetime").datetime.now().strftime("%H:%M:%S")
        }
        data.append(baru)
        with open(DATA_FILE, "w") as f: json.dump(data, f)
        return redirect(url_for("index"))
    
    return render_template_string(HTML_TEMPLATE, data=data)

if __name__ == "__main__":
    app.run(debug=True)