diff --git a/Day-01/test1.py b/Day-01/test1.py
new file mode 100644
index 00000000..bc7aabaa
--- /dev/null
+++ b/Day-01/test1.py
@@ -0,0 +1,3 @@
+print ("This is praveen's first program in python")
+print ("This is the sencond line in the program that gets printed on the screen")
+print ("This is the third line")
diff --git a/Day-02/examples/02-float.py b/Day-02/examples/02-float.py
index 8d6264c4..4a043af7 100644
--- a/Day-02/examples/02-float.py
+++ b/Day-02/examples/02-float.py
@@ -17,4 +17,4 @@
 
 # Rounding
 result5 = round(3.14159265359, 2)  # Rounds to 2 decimal places
-print("Rounded:", result5)
+print("Rounded:", result5)
\ No newline at end of file
diff --git a/Day-02/examples/03-regex-match.py b/Day-02/examples/03-regex-match.py
index b3aafdd1..7f8314d5 100644
--- a/Day-02/examples/03-regex-match.py
+++ b/Day-02/examples/03-regex-match.py
@@ -7,4 +7,4 @@
 if match:
     print("Match found:", match.group())
 else:
-    print("No match")
+    print("No match")
\ No newline at end of file
diff --git a/Day-02/examples/all-strings.py b/Day-02/examples/all-strings.py
new file mode 100644
index 00000000..bd296f01
--- /dev/null
+++ b/Day-02/examples/all-strings.py
@@ -0,0 +1,29 @@
+str1 = "The textbooks are good for reading"
+str1 = str1.replace("good","great")
+
+str2 = "arn:123456:role/james"
+str2 = str2.split("/")
+
+str3 = "  I am padded with a transparent gown. You can see me. But not feel it     "
+str_stripped = str3.strip()
+
+## Looks like there is NO substring function in Python" The way to find is as below
+str4 = "Welcome to the beautiful world of computers"
+str5 = "Bountiful"
+
+if str5 in str4:
+   print("beautiful is found")
+else:
+   print("beautiful is NOT found")
+
+print(str1)
+print(str2)
+print(str2[0])
+print(str2[1])
+print("------------------------")
+print(len(str3))
+print(str_stripped)
+print(len(str_stripped))
+
+
+
diff --git a/Day-02/examples/concat.py b/Day-02/examples/concat.py
new file mode 100644
index 00000000..798a6924
--- /dev/null
+++ b/Day-02/examples/concat.py
@@ -0,0 +1,5 @@
+s1 = "Hello"
+s2 = "Praveen"
+con = s1 + " " + "Indiana Jones" + " " + "Kurra" + " " + s2
+print(con)
+
diff --git a/Day-02/examples/division.py b/Day-02/examples/division.py
new file mode 100644
index 00000000..0109c98c
--- /dev/null
+++ b/Day-02/examples/division.py
@@ -0,0 +1,23 @@
+int1 = 5
+int2 = 2
+
+print(int1 / int2)
+print(int1 // int2)
+
+print("----------------------")
+
+
+float1 = 5.0
+float2 = 2.0
+
+print (float1 / float2)
+print (float1 // float2)
+
+test1 = 12.5674
+res1 = round(test1, 1)
+res2 = round(test1, 2)
+res3 = round(test1,3)
+
+print(res1, res2, res3)
+
+
diff --git a/Day-02/examples/integers.py b/Day-02/examples/integers.py
new file mode 100644
index 00000000..3d311f91
--- /dev/null
+++ b/Day-02/examples/integers.py
@@ -0,0 +1,16 @@
+# Integer variables
+num1 = 10
+num2 = 5
+
+# Integer Division
+result1 = num1 // num2
+print("Integer Division:", result1)
+
+# Modulus (Remainder)
+result2 = num1 % num2
+print("Modulus (Remainder):", result2)
+
+# Absolute Value
+result3 = abs(-7)
+print("Absolute Value:", result3)
+
diff --git a/Day-02/examples/regex-all.py b/Day-02/examples/regex-all.py
new file mode 100644
index 00000000..3a2c5f86
--- /dev/null
+++ b/Day-02/examples/regex-all.py
@@ -0,0 +1,38 @@
+import re
+
+str1 = "How many times I have to say you should not do it. Did you hear me?"
+
+pattern = r"you"
+
+res = re.search(pattern, str1)
+# you should never write if res == True: or if res is True: 
+# Below is the right way of using bool in if condition. you can also say if not res: for negation
+
+if res :
+    print("your search pattern found", res.group())
+else:
+    print("didn't find your search pattern")
+
+# Difference between re.search and re.match in Python?
+
+# re.match() searches for matches from the beginning of a string while re.search() searches for matches anywhere in the string.
+
+# re.match attempts to match a pattern at the beginning of the string. re.search attempts to match the pattern throughout the string until it finds a match
+
+# Example:
+
+import re
+
+claim = 'People love Python.'
+
+print(re.search(r'Python', claim).group())
+# => Python
+
+print(re.match(r'Python', claim))
+# => None
+
+print(re.search(r'People', claim).group())
+# => People
+
+print(re.match(r'People', claim).group())
+# => People
diff --git a/Day-02/examples/replace.py b/Day-02/examples/replace.py
new file mode 100644
index 00000000..4e587c90
--- /dev/null
+++ b/Day-02/examples/replace.py
@@ -0,0 +1,12 @@
+import re
+str1 = "Welcome to the world of good leaders"
+
+pattern = r"good"
+
+replacement = "bad"
+
+newstring = re.sub(pattern, replacement, str1)
+
+print(newstring)
+
+
diff --git a/Day-02/examples/split.py b/Day-02/examples/split.py
new file mode 100644
index 00000000..bfcaced1
--- /dev/null
+++ b/Day-02/examples/split.py
@@ -0,0 +1,11 @@
+# returns a list of resulting substrings
+import re
+str1 = "apple, banana, orange, grapes"
+
+pattern = r","
+
+newstring = re.split(pattern, str1)
+
+print(newstring)
+
+
diff --git a/Day-02/examples/upper_lower.py b/Day-02/examples/upper_lower.py
new file mode 100644
index 00000000..17652083
--- /dev/null
+++ b/Day-02/examples/upper_lower.py
@@ -0,0 +1,12 @@
+text = "Quick mad fox jumps over a lazy hen"
+str1 = "THIS IS ALL IN UPPER CASE"
+str2 = "this is all in lower case"
+
+text1 = len(text)
+res1 = str1.lower()
+res2 = str2.upper()
+
+print (text1)
+print (res1)
+print (res2)
+
diff --git a/Day-02/strings.py b/Day-02/strings.py
deleted file mode 100644
index e69de29b..00000000