Merge pull request #1628 from SaharshDaNerd/patch-1

created a new password checker file

Program's_Contributed_By_Contributors/Python_Programs/password_checker.py

@@ -0,0 +1,24 @@
+l, u, p, d = 0, 0, 0, 0
+s = "we_lov3_h@ct0ber"
+if (len(s) >= 8):
+	for i in s:
+
+		# counting lowercase alphabets in the given password
+		if (i.islower()):
+			l+=1		
+
+		# counting uppercase alphabets in the given password
+		if (i.isupper()):
+			u+=1		
+
+		# counting digits in the given password
+		if (i.isdigit()):
+			d+=1		
+
+		# counting the mentioned special characters
+		if(i=='@'or i=='$' or i=='_'):
+			p+=1		
+if (l>=1 and u>=1 and p>=1 and d>=1 and l+p+u+d==len(s)):
+	print("Valid Password!")
+else:
+	print("Invalid Password")