print() function for Python 3

Also ternary if

code/key-to-address-ecc-example.py

@@ -5,45 +5,41 @@ valid_private_key = False
 while not valid_private_key:
     private_key = bitcoin.random_key()
     decoded_private_key = bitcoin.decode_privkey(private_key, 'hex')
-    valid_private_key =  0 < decoded_private_key < bitcoin.N
+    valid_private_key = 0 < decoded_private_key < bitcoin.N
 
-print "Private Key (hex) is: ", private_key
-print "Private Key (decimal) is: ", decoded_private_key
+print("Private Key (hex) is: ", private_key)
+print("Private Key (decimal) is: ", decoded_private_key)
 
 # Convert private key to WIF format
 wif_encoded_private_key = bitcoin.encode_privkey(decoded_private_key, 'wif')
-print "Private Key (WIF) is: ", wif_encoded_private_key
+print("Private Key (WIF) is: ", wif_encoded_private_key)
 
 # Add suffix "01" to indicate a compressed private key
 compressed_private_key = private_key + '01'
-print "Private Key Compressed (hex) is: ", compressed_private_key
+print("Private Key Compressed (hex) is: ", compressed_private_key)
 
 # Generate a WIF format from the compressed private key (WIF-compressed)
 wif_compressed_private_key = bitcoin.encode_privkey(
     bitcoin.decode_privkey(compressed_private_key, 'hex'), 'wif')
-print "Private Key (WIF-Compressed) is: ", wif_compressed_private_key
+print("Private Key (WIF-Compressed) is: ", wif_compressed_private_key)
 
 # Multiply the EC generator point G with the private key to get a public key point
 public_key = bitcoin.fast_multiply(bitcoin.G, decoded_private_key)
-print "Public Key (x,y) coordinates is:", public_key
+print("Public Key (x,y) coordinates is:", public_key)
 
 # Encode as hex, prefix 04
-hex_encoded_public_key = bitcoin.encode_pubkey(public_key,'hex')
-print "Public Key (hex) is:", hex_encoded_public_key
+hex_encoded_public_key = bitcoin.encode_pubkey(public_key, 'hex')
+print("Public Key (hex) is:", hex_encoded_public_key)
 
 # Compress public key, adjust prefix depending on whether y is even or odd
 (public_key_x, public_key_y) = public_key
-if (public_key_y % 2) == 0:
-    compressed_prefix = '02'
-else:
-    compressed_prefix = '03'
+compressed_prefix = '02' if (public_key_y % 2) == 0 else '03'
 hex_compressed_public_key = compressed_prefix + bitcoin.encode(public_key_x, 16)
-print "Compressed Public Key (hex) is:", hex_compressed_public_key
+print("Compressed Public Key (hex) is:", hex_compressed_public_key)
 
 # Generate bitcoin address from public key
-print "Bitcoin Address (b58check) is:", bitcoin.pubkey_to_address(public_key)
+print("Bitcoin Address (b58check) is:", bitcoin.pubkey_to_address(public_key))
 
 # Generate compressed bitcoin address from compressed public key
-print "Compressed Bitcoin Address (b58check) is:", \
-    bitcoin.pubkey_to_address(hex_compressed_public_key)
-
+print("Compressed Bitcoin Address (b58check) is:",
+      bitcoin.pubkey_to_address(hex_compressed_public_key))