Exercises

cse16238_lab 1/cse16238_ex1_qn1.py

+print("Hello World") 
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cse16238_lab 1/cse16238_ex1_qn2.py

+userName = input("Enter Your Name: ")
+print(userName)
+

cse16238_lab 1/cse16238_ex1_qn3.py

+num1 = int(input("Enter First No: "))
+num2 = int(input("Enter Second No:"))
+print(num1+num2)

cse16238_lab 1/cse16238_ex1_qn4.py

+print("for loop: ")
+for i in range(100):
+	if(i%2 == 0):
+		print(i)
+
+print("while loop: ")
+i = 0
+while(i < 100):
+	if(i%2 == 0):
+		print(i)
+	i += 1
+	
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cse16238_lab 1/cse16238_ex1_qn5.py

+for i in range(50, 19, -1):
+	if(i%2 == 0):
+		print(i)
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cse16238_lab 2/cse16238_ex2_qn1.py

+str=input("Enter a string")
+print(len(str))

cse16238_lab 2/cse16238_ex2_qn10.py

+def maximum(str):
+    max = 0
+    maxi = 0
+    n=len(str)
+    for i in range(n):
+        if (str[i] == '('):
+            max+=1;
+            if(max>maxi):
+                maxi=max
+        elif (str[i] == ')'):
+            if(max > 0):
+                max-=1;
+            else:
+                return -1;
+    if(max !=0):
+        print("Not Valid")
+        return -1;
+    return maxi;
+str=input("Enter a string")
+print (maximum(str))

cse16238_lab 2/cse16238_ex2_qn2.py

+str1=input("Enter a string  ")
+dict = {}
+for n in str1:
+    key = dict.keys()
+    if n in key:
+        dict[n] += 1
+    else:
+        dict[n] = 1
+print (dict)
+

cse16238_lab 2/cse16238_ex2_qn3.py

+str=input("Enter a string  ")
+n=len(str)
+if(n<2):
+    print("Empty String")
+else:
+    print (str[0:2]+str[n-2:n])

cse16238_lab 2/cse16238_ex2_qn4.py

+str=input("Enter a string  ")
+x=str[0]
+str=str.replace(x,'$')
+print (x+str[1:])

cse16238_lab 2/cse16238_ex2_qn5.py

+s1=input("1")
+s2=input("2")
+s=s2[:2]+s1[2:]+" "+s1[:2]+s2[2:]
+print(s)

cse16238_lab 2/cse16238_ex2_qn6.py

+def long(list):
+  max=0
+  for i in list:
+      if(len(i)>max):
+        max=len(i)
+        word = i
+  return word
+
+list=["PHP", "Exercises", "Backend"] 
+print(long(list))  
+

cse16238_lab 2/cse16238_ex2_qn7.py

+str=input("Enter a string  ")
+print ("In Uppercase  " + str.upper())
+print ("In lowercase  " + str.lower())

cse16238_lab 2/cse16238_ex2_qn8.py

+def rev(str):
+    n=len(str)
+    if(n%4==0):
+        return (str[::-1])
+    
+    
+str=input("Enter a string  ")
+print (rev(str))

cse16238_lab 2/cse16238_ex2_qn9.py

+s=input("Enter the string:")
+
+s1=""
+for i in s :
+    if(i.isupper()):
+        
+        c=ord(i)
+        s1=s1+chr((c-3-65)%26+65)
+    else:
+        c=ord(i)
+        s1=s1+chr((c-3-97)%26+97)
+print (s1)
+    

cse16238_lab 3/cse16238_ex3_qn1.py

+path = '/home/cse3c/Downloads/sw.txt'
+file = open(path,'r')
+dict = {}
+for x in file.readlines():
+	
+	if x in dict:
+		dict[x]+=1
+	else:
+		dict[x]=1
+print (dict)
+file.close()
+

cse16238_lab 3/cse16238_ex3_qn2.py

+path = '/home/cse3c/Downloads/sun.txt'
+file = open(path,'r')
+dict = {}
+for x in file.read().split():
+	x=x[3:]
+	x=x[:x.find('/')]
+	if x in dict:
+		dict[x]+=1
+	else:
+		dict[x]=1
+for a,b in dict.items():
+	print(a,b)
+file.close()

cse16238_lab 3/sw.txt

+Darth
+Luke
+Darth
+Lea
+Darth
+Lea
+Lea
+Luke
+Darth
+Lea
+Darth
+Darth
+Lea
+Lea
+Darth
+Lea
+Darth
+Lea
+Luke
+Darth
+Lea
+Lea
+Darth
+Lea
+Darth
+Darth
+Lea
+Lea
+Luke
+Luke
+Lea
+Darth
+Darth
+Luke
+Lea
+Darth
+Darth
+Lea
+Lea
+Lea
+Lea
+Lea
+Luke
+Darth
+Luke
+Lea
+Lea
+Lea
+Lea
+Luke
+Lea
+Darth
+Lea
+Lea
+Darth
+Lea
+Lea
+Darth
+Darth
+Lea
+Darth
+Lea
+Darth
+Luke
+Lea
+Luke
+Darth
+Darth
+Luke
+Darth
+Lea
+Darth
+Lea
+Luke
+Lea
+Lea
+Lea
+Lea
+Lea
+Darth
+Lea
+Lea
+Lea
+Lea
+Lea
+Lea
+Lea
+Luke
+Lea
+Lea
+Lea
+Lea
+Lea
+Lea
+Darth
+Luke
+Darth
+Lea
+Lea
+Darth