# MicroPython code for Wokwi ESP32/ESP8266
# Save dictionary data into a CSV file and read it back

# Sample data
ar = {
    'S.NO':   [1,2,3,4,5,6,7,8,9,10],
    'DATA':   ['A','B','C','D','E','F','G','H','I','J'],
    'Points': [1,1,5,5,45,800,120,1000,5000,5]
}

# Save to CSV file
with open("Read_Data.csv", "w") as f:
    f.write("S.NO,DATA,Points\n")   # CSV header
    for i in range(len(ar['S.NO'])):
        row = "{},{},{}\n".format(ar['S.NO'][i], ar['DATA'][i], ar['Points'][i])
        f.write(row)

print("✅ Data written to Read_Data.csv")

# Read the CSV file back and print content
with open("Read_Data.csv", "r") as f:
    content = f.read()

print("📂 File Content:\n", content)