diff --git a/task_171121/task_171121.py b/task_171121/task_171121.py
index 7b3dbfdd..55b3b880 100644
--- a/task_171121/task_171121.py
+++ b/task_171121/task_171121.py
@@ -4,13 +4,97 @@
 import pandas as pd
 import matplotlib.pyplot as plt
 
-df = pd.read_csv('company_sales_data.csv')
+data = pd.read_csv("company_sales_data.csv")
 
 
-x = range(len(df["month_number"]))
-plt.plot(x, df["total_profit"])
-plt.xticks(x, df["month_number"])
-plt.xlabel("Month number")
-plt.ylabel("Total profit")
+def task_1():
+	plt.figure(figsize=(10, 6))  # (x, y)
+	x = range(len(data["month_number"]))  # gets range of months
+	plt.plot(x, data["total_profit"])  # sets up the plot
+	plt.xticks(x, data["month_number"], fontsize=15)  # sets x value step
+	plt.yticks(fontsize=15)
+	plt.ylim(ymin=100000)  # sets minimal y value
 
-plt.show()
\ No newline at end of file
+	set_labels("Company profit per month", "Month number", "Total profit")
+
+	plt.show()
+
+
+def task_2():
+	plt.figure(figsize=(10, 6))  # (x, y)
+
+	x = range(len(data["month_number"]))  # gets range of months
+
+	data_list = list(data.columns)[1:-2]  # gets and trims column names
+
+	for column in data_list:
+		plt.plot(x, data[column], lw=4, marker='o', ms=10)  # ms = marker size
+
+	plt.xticks(x, data["month_number"], fontsize=15)  # sets x value step
+	plt.yticks(fontsize=15)
+
+	set_labels("Sales data", "Month number", "Sales units in number")
+
+	new_data_list = list(map(lambda x: x.capitalize() + " Sales Data", data_list))  # capitalizes each word in list
+	plt.legend(new_data_list, loc='upper left', fontsize=15)
+	plt.show()
+
+
+def task_3():
+	plt.figure(figsize=(10, 6))  # (x, y)
+	x = range(len(data["month_number"]))  # gets range of months
+
+	plt.scatter(x, data["toothpaste"], s=75)  # sets up the plot
+	plt.grid(ls='dashed', lw=1.5)  # sets grid line type and width
+	plt.xticks(x, data["month_number"], fontsize=15)  # sets x value step
+	plt.yticks(fontsize=15)
+
+	set_labels("Toothpaste Sales data", "Month number", "Number of units Sold")
+	plt.legend(["Toothpaste Sales data"], loc='upper left', fontsize=15)
+	plt.show()
+
+
+def task_4():
+	items = ["facecream", "facewash"]
+
+	data.plot(x="month_number", y=["facecream", "facewash"], kind='bar', figsize=(10, 6), fontsize=15)
+
+	plt.xticks(rotation=0)  # rotates x lables to 0
+	plt.grid(ls='dashed', lw=1.5)  # sets grid line type and width
+
+	set_labels("Facewash and Facecream Sales data", "Month number", "Sales units in number")
+	new_items_list = list(map(lambda x: x.capitalize() + " Sales Data", items))
+	plt.legend(new_items_list, loc='upper left', fontsize=15)
+	plt.show()
+
+
+def set_labels(title: str, xlabel: str, ylabel: str):
+	plt.title(title, fontsize=15)
+	plt.xlabel(xlabel, fontsize=15)
+	plt.ylabel(ylabel, fontsize=15)
+
+
+def main():
+	task = input(
+	    """Ivēlieties uzdevumu:
+1 - pirmais uzdevums
+2 - otrais uzdevums
+3 - trešais uzdevums
+4 - ceturtais uzdevums
+"""
+	)
+
+	if task == "1":
+		task_1()
+	elif task == "2":
+		task_2()
+	elif task == "3":
+		task_3()
+	elif task == "4":
+		task_4()
+	else:
+		print("Tika ievadīts nepareiz cipars")
+
+
+if __name__ == '__main__':
+	main()