import pandas as pd import matplotlib.pyplot as plt # Sample stock price data data = { 'Date': , 'Price': } # Convert data to DataFrame df = pd.DataFrame(data) # Calculate 50-day moving average df = df .rolling(window=50).mean() # Plotting plt.figure(figsize=(10, 6)) plt.plot(df , df , label='Price') plt.plot(df , df , label='50-day...