Added Color_to_BW_Converter

Color_to_BW_Converter/README.md

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+# Colored Image to Black & White Image Converter
+A simple python script which takes colored image filename as argument and converts it into grayscale image and saves the output image file. It shows the basic usage of Pillow library.
+
+## Libraries Required
+1. Pillow (PIL)
+`$pip install Pillow`
+
+## Usage
+1. Go to the script's folder and open command prompt.
+2. Run command : `$python bw_convert.py <image_file_name>`
+
+## Example
+`$python bw_convert.py sample_image.jpg`

Color_to_BW_Converter/bw_convert.py

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+import sys
+from PIL import Image
+from PIL.ExifTags import TAGS
+
+image_file = sys.argv[1]
+image_name = image_file.split(".")[0]
+
+try:
+    image = Image.open(image_file)
+except IOError:
+    print("Error in loading image!!")
+    sys.exit(1)
+    
+bw_image = image.convert('L')
+bw_image.save("bw_"+image_name+".png")