Snippets

Zhiwei Li IMEI Check

Created by Zhiwei Li
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File check_imei.py Added

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+
+
+even = (10, 9, 8, 7, 6,  5, 4, 3, 2, 1)
+odd  = (10, 8, 6, 4, 2,  9, 7, 5, 3, 1)
+
+def check_imei(imei):
+    	if len(imei) != 14:
+        		return 'X'    
+		
+    	checksum = 0
+    	i = 0
+    	for x in imei:
+        		c = int(x)
+        		if i%2 == 0:
+            			checksum = checksum + even[c]
+        		else:
+            			checksum = checksum + odd[c]
+        		checksum = checksum % 10
+        		i = i + 1
+    	return checksum
+	
+		
+print check_imei('35611812796672')
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