diff --git a/COR1010/H8_1.py b/COR1010/H8_1.py
new file mode 100644
index 0000000..7eede0c
--- /dev/null
+++ b/COR1010/H8_1.py
@@ -0,0 +1,13 @@
+def isSymmetric(word):
+    for l, r in zip(word, reversed(word)):
+        if l != r:
+            return False
+    return True
+
+word = input("Enter a word : ")
+result = isSymmetric(word)
+
+if result:
+    print(f"{word} is symmetric")
+else:
+    print(f"{word} is asymmetric")
diff --git a/COR1010/H8_2.py b/COR1010/H8_2.py
new file mode 100644
index 0000000..3985ac9
--- /dev/null
+++ b/COR1010/H8_2.py
@@ -0,0 +1,17 @@
+import random
+
+def password(length):
+    lowercase = "abcdefghijklmnopqrstuvwxyz"
+    uppercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    numbers = "0123456789"
+    symbols = "!@#$%^&*"
+    all = lowercase + uppercase + numbers + symbols
+
+    selected = random.choice(uppercase)
+    for i in range(length-1):
+        selected += random.choice(all)
+
+    return selected
+
+length = int(input("Enter the length of password : "))
+print("Password is", password(length))
diff --git a/COR1010/H8_3.py b/COR1010/H8_3.py
new file mode 100644
index 0000000..7247bf3
--- /dev/null
+++ b/COR1010/H8_3.py
@@ -0,0 +1,15 @@
+def countChars(s):
+    occurances = {}
+    for c in s:
+        c = c.lower()
+        occurances[c] = occurances.get(c, 0) + 1
+
+    return occurances
+
+input_str = input("Enter string : ")
+occurances = countChars(input_str)
+
+print("=" * 30)
+
+for c, n in occurances.items():
+    print("{} : {}번 사용되었습니다.".format(c, n))
diff --git a/COR1010/H9_1.py b/COR1010/H9_1.py
new file mode 100644
index 0000000..c83f056
--- /dev/null
+++ b/COR1010/H9_1.py
@@ -0,0 +1,13 @@
+scores = {}
+
+with open("score.txt", "r") as f:
+    for line in f:
+        course, score = line.split()
+        course = int(course)
+        score = int(score)
+
+        if course not in scores or scores[course] < score:
+            scores[course] = score
+
+for course, score in scores.items():
+    print("{} 번 : {} 점".format(course, score))
diff --git a/COR1010/H9_2.py b/COR1010/H9_2.py
new file mode 100644
index 0000000..375559d
--- /dev/null
+++ b/COR1010/H9_2.py
@@ -0,0 +1,33 @@
+input_file = open("word_game.txt", "r")
+
+for line in input_file:
+    word = line.strip()
+
+    guess_history = ["*"] * len(word)
+
+    found_attempts = failed_attempts = 0
+    while found_attampts < len(word):
+        guess_char = input("추측하는 문자 하나를 입력 {}----> ".format(guess_history))
+
+        if guess_char in guess_history:
+            print("{}은(는) 이미 찾은 문자입니다.".format(guess_char))
+        elif word.find(guess_char) < 0:
+            print("{}은(는) 존재하지 않는 문자입니다.".format(guess_char))
+            failed_attempts += 1
+        else:
+            i = word.find(guess_char)
+            while i >= 0:
+                guess_history[i] = guess_char
+                found_attempts += 1
+                i = word.find(guess_char, i + 1)
+
+    print("찾는 단어는 {}입니다.".format(word))
+    print("{}번 찾기 실패하였습니다.".format(failed_attempts))
+    should_continue = input("단어 맞추기를 계속하시겠습니까? ")
+
+    if should_continue.lower() == "n":
+        break
+
+    print()
+
+input_file.close()