From a27438b6cbdb57421c64ab5ac2dd7de2b464d932 Mon Sep 17 00:00:00 2001
From: Efe <efecini@Efe-MacBook-Pro.local>
Date: Thu, 26 Dec 2019 23:09:07 +0300
Subject: [PATCH] Interations

---
 notes_01.py => 1_notes.py           |  0
 bitcoincli_02.py => 2_bitcoincli.py |  0
 3_digital_signatures                | 26 ++++++++++++++++++++++++++
 bitcoin_blockreward_calculator.py   |  2 +-
 my2.py                              | 24 ++++++++++++++++++++++++
 5 files changed, 51 insertions(+), 1 deletion(-)
 rename notes_01.py => 1_notes.py (100%)
 rename bitcoincli_02.py => 2_bitcoincli.py (100%)
 create mode 100644 3_digital_signatures
 create mode 100644 my2.py

diff --git a/notes_01.py b/1_notes.py
similarity index 100%
rename from notes_01.py
rename to 1_notes.py
diff --git a/bitcoincli_02.py b/2_bitcoincli.py
similarity index 100%
rename from bitcoincli_02.py
rename to 2_bitcoincli.py
diff --git a/3_digital_signatures b/3_digital_signatures
new file mode 100644
index 0000000..29db32a
--- /dev/null
+++ b/3_digital_signatures
@@ -0,0 +1,26 @@
+###    Digital Signatures    ###
+
+from helpers import mainnet,testnet
+from pprint import pprint
+
+#sign and verify messages like this: signmessage "address" "message"
+
+#First we have to get an address:
+address = testnet.getnewaddress('','legacy')
+print(f"Address created with private key is:{address}")
+
+#Create our message. Just a basic string
+msg = 'this is a message'
+print(f"Message is:{msg}")
+
+#Create the signature by signing the address with a message. It returns you a signature
+signature = testnet.signmessage(address, msg)
+print(f"Signature created with address for the message {msg} is:{signature}")
+
+#Verify that our signature is valid with my address for 'my message' msg
+verified = testnet.verifymessage(address, signature, 'this is a message')
+print(f"Verified?:{verified}")
+
+#If you try the worng msg to sign, it will print false.
+verified2 = testnet.verifymessage(address, signature, 'this is a message too')
+print(f"Verified?:{verified2}")
\ No newline at end of file
diff --git a/bitcoin_blockreward_calculator.py b/bitcoin_blockreward_calculator.py
index 739187f..2d66e45 100644
--- a/bitcoin_blockreward_calculator.py
+++ b/bitcoin_blockreward_calculator.py
@@ -2,7 +2,7 @@ from helpers import mainnet
 from decimal import Decimal
 
 def calculate_bitcoin_cycle_and_block_reward():
-    #This little program tells you the bitcoin's cycle count and the bitcoin block reward amount
+    #This little program gives the bitcoin's cycle count and the bitcoin block reward amount
     INITIAL_SUBSIDY = Decimal(50)
     BLOCKS_PER_HALVENING = 210000
     last_block = mainnet.getblockchaininfo()["blocks"]
diff --git a/my2.py b/my2.py
new file mode 100644
index 0000000..d41b6be
--- /dev/null
+++ b/my2.py
@@ -0,0 +1,24 @@
+"""
+_ = set(map(int, input().split()))
+arr = input().split()
+s1 = set(map(int, input().split()))
+s2 = set(map(int, input().split()))
+
+print(s1)
+print(s2)
+print(s3)
+print(sum([(i in s1)-(i in s2) for i in arr]))
+
+n, m = raw_input().split()
+
+sc_ar = raw_input().split()
+
+A = set(raw_input().split())
+B = set(raw_input().split())
+print sum([(i in A) - (i in B) for i in sc_ar])
+"""
+A = set(input().split())
+B = set(input().split())
+print(A)
+print(B)
+print(A.issuperset(B))
\ No newline at end of file