codes for graphs

Fibonacci umbers.py

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+#main program
+n=int(input('enter the number N'))
+n1=1
+n2=2
+n3=n1+n2
+sum=0
+while (n3<n):
+    n1=n2
+    n2=n3
+    n3=n1+n2
+    print(n3)
+    if (n3%2 == 0):
+        sum = sum + n3
+
+print(sum)

domino.py

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+n,k=map(int,input().split())
+print(n*k//2)

first.py

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+b=0
+a=0
+for i in range(1,26):
+   x = int(input("enter"))
+if x>0:
+    a=abs(6-i)
+    if(b>a):
+        b=a
+        print(b)

graph.py

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+import matplotlib.pyplot as plt
+import numpy as np
+
+xpoints = np.array([0, 6])
+ypoints = np.array([0, 250])
+
+plt.plot(xpoints, ypoints)
+plt.show()

linkedlist.py

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+class Node:
+
+	# Constructor to initialize the node object
+	def __init__(self, data):
+		self.data = data
+		self.next = None
+
+
+class LinkedList:
+
+	# Function to initialize head
+	def __init__(self):
+		self.head = None
+
+	# Function to reverse the linked list
+	def reverse(self):
+		prev = None
+		current = self.head
+		while(current is not None):
+			next = current.next
+			current.next = prev
+			prev = current
+			current = next
+		self.head = prev
+
+	# Function to insert a new node at the beginning
+	def push(self, new_data):
+		new_node = Node(new_data)
+		new_node.next = self.head
+		self.head = new_node
+
+	# Utility function to print the linked LinkedList
+	def printList(self):
+		temp = self.head
+		while(temp):
+			print (temp.data)
+			temp = temp.next
+
+
+# Driver code
+llist = LinkedList()
+llist.push(20)
+llist.push(4)
+llist.push(15)
+llist.push(85)
+llist.printList()
+llist.reverse()
+llist.printList()
+
+

money_transaction.py

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+money_transaction= int(input("Enter the amount to be transcated"))
+bank_balance= int(input("Enter the bank balance"))
+if (money_transaction % 5==0):
+    if (bank_balance > money_transaction):
+        bank_balance= bank_balance- money_transaction - 0.5
+        print("the money transcated is",money_transaction)
+        print("the current balance is",bank_balance)
+    else:
+        print("insufficient balance")
+else:
+    print("Incorrect money transcation")

positivenumber.py

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+n=int(input())
+while n>0:
+    n=n-1
+    count=0
+    l=int(input())
+    list1 = []
+    list1= list(map(int,input().split()))
+    for i in range(0,l):
+        for j in range(i,l):
+            if (list1[i]*list1[j] >= 0):
+                count = count+1
+    print(count)