how to change graph after every second in python
import datetime as dt import matplotlib.pyplot as plt import matplotlib.animation as animation import tmp102 # Create figure for plotting fig = plt.figure() ax = fig.add_subplot(1, 1, 1) xs = [] ys = [] # Initialize communication with TMP102 tmp102.init() # This function is called periodically from FuncAnimation def animate(i, xs, ys): # Read temperature (Celsius) from TMP102 temp_c = round(tmp102.read_temp(), 2) # Add x and y to lists xs.append(dt.datetime.now().strftime('%H:%M:%S.%f')) ys.append(temp_c) # Limit x and y lists to 20 items xs = xs[-20:] ys = ys[-20:] # Draw x and y lists ax.clear() ax.plot(xs, ys) # Format plot plt.xticks(rotation=45, ha='right') plt.subplots_adjust(bottom=0.30) plt.title('TMP102 Temperature over Time') plt.ylabel('Temperature (deg C)') # Set up plot to call animate() function periodically ani = animation.FuncAnimation(fig, animate, fargs=(xs, ys), interval=1000) plt.show()
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