diff --git a/zeta_python/9020.py b/zeta_python/9020.py
new file mode 100644
index 0000000..68cde05
--- /dev/null
+++ b/zeta_python/9020.py
@@ -0,0 +1,6 @@
+N = int(input()
+P = []
+last = 2
+for _ in range(N):
+
+    # 골듭흐 파티션
diff --git a/zeta_python/completed/1929.py b/zeta_python/completed/1929.py
new file mode 100644
index 0000000..7f5f2a0
--- /dev/null
+++ b/zeta_python/completed/1929.py
@@ -0,0 +1,16 @@
+M, N = map(int, input().split())
+P = []
+
+for i in range(2, N+1):
+    for p in P:
+        if i % p == 0:
+            break
+        elif p ** 2 > i:
+            if i >= M:
+                print(i)
+            P.append(i)
+            break
+    else:
+        if i >= M:
+            print(i)
+        P.append(i)
diff --git a/zeta_python/completed/2581.py b/zeta_python/completed/2581.py
new file mode 100644
index 0000000..34fbe13
--- /dev/null
+++ b/zeta_python/completed/2581.py
@@ -0,0 +1,24 @@
+M, N = int(input()), int(input())
+P = []
+MP = []
+
+
+for i in range(2, N+1):
+    for p in P:
+        if i % p == 0:
+            break
+        elif p ** 2 > i:
+            if i >= M:
+                MP.append(i)
+            P.append(i)
+            break
+    else:
+        if i >= M:
+            MP.append(i)
+        P.append(i)
+
+if MP:
+    print(sum(MP))
+    print(MP[0])
+else:
+    print(-1)
diff --git a/zeta_python/completed/4948.py b/zeta_python/completed/4948.py
new file mode 100644
index 0000000..7f7eaf9
--- /dev/null
+++ b/zeta_python/completed/4948.py
@@ -0,0 +1,28 @@
+N = int(input())
+P = []
+last = 1
+while N != 0:
+    if 2*N > last:
+        if last == 1:
+            last = 2
+        for i in range(last, 2*N+1):
+            for p in P:
+                if i % p == 0:
+                    break
+                elif p ** 2 > i:
+                    P.append(i)
+                    break
+            else:
+                P.append(i)
+    c = 0
+    for p in P:
+        if N < p <= 2 * N:
+            c += 1
+        elif p > 2*N:
+            break
+    if last < 2*N:
+        last = 2*N
+
+    print(c)
+
+    N = int(input())