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diff --git a/__pycache__/constants.cpython-39.pyc b/__pycache__/constants.cpython-39.pyc
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diff --git a/classes.py b/classes.py
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+++ b/classes.py
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+class User:
+    def __init__ (self, user_id, username):
+        self.user_id = user_id
+        self.username = username
+        self.number_messages = 1    # Start with one, as user only added if spoken in channel
diff --git a/constants.py b/constants.py
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+USER_ID = 0
+USERNAME = 1
+DATE = 2
+MESSAGE = 3
+REACTIONS = 5
\ No newline at end of file
diff --git a/main.py b/main.py
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+++ b/main.py
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+import csv
+import constants as v
+import classes as c
+
+# Date MM-dd-yyyy HH:mm:ss
+
+
+# Reads from specified CSV file (specified in settings file)
+# Outputs analysis to output file
+def parse_file():
+    temp_user = c.User('0','0')
+    user_array = []
+
+    print('Loading from CSV channel.csv')
+    file = open('channel2.csv', encoding="utf8")
+    with file as csv_file:
+        csv_reader = csv.reader(csv_file, delimiter=',')
+        line_count = 0
+
+        for row in csv_reader:
+            if line_count == 0:
+                line_count += 1
+            else:
+                parse_user(row, user_array)
+                line_count +=1
+    print(f'Done. {line_count} messages read')
+    print(f'Users found: {len(user_array)}')
+
+    for user in user_array:
+        percentage = user.number_messages / line_count
+        print(f'Username: {user.username}   Messages: {user.number_messages}    Contribution: {percentage * 100}%')
+
+
+# Parses current line stats and updates user_array accordingly
+def parse_user(current_row, user_array):
+    user_id = current_row[v.USER_ID]
+    user_index = 0
+    user_found = 0
+    for user in user_array:
+        if user.user_id == user_id:
+            user_found = 1
+            break
+        user_index += 1
+
+    if user_found:
+        # Update user stats
+        user_array[user_index].number_messages += 1
+    else:
+        # If user not found, add them to array
+        user_array.append(c.User(user_id, current_row[v.USERNAME]))
+
+
+# Loads settings file.
+# Configures what information should be calculated and printed to output file
+def load_settings():
+    print('settings placeholder')
+
+
+# Press the green button in the gutter to run the script.
+if __name__ == '__main__':
+    parse_file()
+
+