Stack,Queue,Reverse String,Anagram,Count Letters in String

Chicken-Biryani · Chicken-Biryani · commit bda81c77d99a · 2020-10-01T12:17:38.000+05:30
These are programs that are basic but also necessary. lgtm
diff --git a/AnagramString.py b/AnagramString.py
@@ -0,0 +1,19 @@
+#a word, phrase, or name formed by rearranging the letters of another
+#example silent and listen
+#a good additionalitt to this program would be to check whether they are actuallly words or not :)
+
+def mysort(s):    	#function that splits the letters
+	d=sorted(s)
+	s=''.join(d)
+	return s
+
+s1=input("enter first string")
+n1=mysort(s1) #function invocation /calling the function
+
+s2=input("enter second string")
+n2=mysort(s2)
+
+if n1==n2:
+	print("anagram")
+else:
+	print("not an anangram")
diff --git a/CountLettersInAWordUsingDictionary.py b/CountLettersInAWordUsingDictionary.py
@@ -0,0 +1,11 @@
+word=input("enter a word ")
+
+dict={}
+
+for c in word:
+	co = dict.get(c,0)
+	if co == 0:
+		dict[c]=1
+	else:
+		dict[c]=co+1
+print(dict)		
diff --git a/New Text Document.txt b/New Text Document.txt
@@ -0,0 +1,19 @@
+stack=[]
+try:
+while True:
+	op = int(input("1 push 2 pop 3 display 4 exit"))
+	if op==1:
+		ele = int(input("enter elem to push "))
+		stack.append(ele)
+	elif op==2:
+		if len(stack) ==0:
+			print("empty hai stack ")
+		else:
+			ele=stack.pop()
+			print("popped elements ")
+	elif op==3:
+		print(stack)
+	elif op==4:
+		break
+	else:
+		print("invalid option")
diff --git a/QueueUsingList.py b/QueueUsingList.py
@@ -0,0 +1,28 @@
+try:  #try catch so that the program does not crash
+	queue=[]
+
+	while True:
+		op = int(input("Press--> 1 to insert into queue | 2 to  remove from queue | 3 to display values of queue | 4 to reverse the exisiting queue| 5 to exit "))
+		if op==1:                                       #to insert an elelment in the queue
+			ele = int(input("enter elem to insert "))
+			queue.append(ele)
+		elif op==2:                                    #to remove an element from the queue
+			if len(queue) ==0:
+				print("The queue is empty, insert values if required")
+			else:
+				ele=queue.pop(0)
+				print(ele)
+		elif op==3:                                    #to display the elements in the queue
+			print(queue)
+		elif op==4:                                    #to reverse queue
+			queue.reverse()
+		elif op==5:                                     #to exit
+			break
+		else:
+			print("invalid option")
+
+except ValueError:
+	print("Please enter integer only")                 #If user inputs an alphabet or string the program should not crash
+except:
+	print("There's been some issue please check the data you've entered")
+
diff --git a/ReverseString.py b/ReverseString.py
@@ -0,0 +1,8 @@
+def rev_string(s):
+	a=s[::-1]
+	return a
+
+s1=input("enter the string ")
+r1=rev_string(s1)
+
+print(r1)
diff --git a/StackUsingList.py b/StackUsingList.py
@@ -0,0 +1,33 @@
+#LIFO
+
+stack=[]
+try:           #try except so that the program does not crash[optional]
+	while True:
+		op = int(input("Select---> 1 to push, 2 to pop top most element, 3 to display elements in stack,4 to peek,5 to exit "))
+		if op==1:                                      #to push into stack
+			ele = int(input("enter elem to push "))
+			stack.append(ele)
+		elif op==2:                                    #to pop from stack. If stack is empty it will display "Stack is empty"
+			if len(stack) ==0:
+				print("Stack is empty ")
+			else:
+				ele=stack.pop()                        
+				print("popped element ",ele)
+		elif op==3:                                   #TO display stack elements and print "Stack is empty " if there are no elements
+			if len(stack) ==0:
+				print("Stack is empty ")
+			else:                      
+				print(stack)                                                         
+		elif op==4:                                   #To peek at stack top. i.e see the topmost element                                      
+			if len(stack) ==0:						  
+				print("Stack is empty ")
+			else:
+				print(stack[-1])
+		elif op==5:                                   #To exit from loop
+			break
+		else:
+			print("invalid option")
+except ValueError:
+	print("Please enter integer only")                 #If user inputs an alphabet or string the program should not crash
+except:
+	print("There's been some issue please check the data you've entered")
