diff --git a/source/week-1/print/input.py b/source/week-1/print/input.py
index b840e8b..251ee73 100644
--- a/source/week-1/print/input.py
+++ b/source/week-1/print/input.py
@@ -1,6 +1,12 @@
-# The input funciton allows you to prompt the user for a value
+# The input function allows you to prompt the user to type something
 
 # You need to declare a variable to hold the value entered by the user
-Name = input('What is your name? ')
+# IMPORTANT: When you declare a variable, it has to start with small letter
+name = input('What is your name? ')
 
-print('Great, your name is '+ Name)
\ No newline at end of file
+print('Great, your name is ' + name)
+
+# The user can type their name on the next line with the \n command / not on the same line as above
+name = input("What is your name?\n")
+
+print('Great, your name is ' + name)
diff --git a/source/week-1/print/print.py b/source/week-1/print/print.py
index ec50927..8b8ce73 100644
--- a/source/week-1/print/print.py
+++ b/source/week-1/print/print.py
@@ -5,7 +5,10 @@
 print('Hello world single quotes')
 
 # Strings can also be enclosed in double quotes
-print("Hello world double quotes")
+print("Hello world - double quotes")
 
-# using print to display integers
-print(188)
\ No newline at end of file
+# using print to display integer / whole numbers
+print(188)
+
+# using print to display float number / real number
+print(99.9)
diff --git a/source/week-1/variables/doing_math.py b/source/week-1/variables/doing_math.py
index 886a322..34acdbb 100644
--- a/source/week-1/variables/doing_math.py
+++ b/source/week-1/variables/doing_math.py
@@ -3,7 +3,8 @@
 first_num = 6
 second_num = 2
 
-# You can peform a variety of math operations on numeric values
+# FIRST WAY OF DOING IT
+"""# You can perform a variety of math operations on numeric values
 print('addition')
 print(first_num + second_num)
 print('subtraction')
@@ -14,3 +15,29 @@
 print(first_num / second_num)
 print ('exponent')
 print(first_num ** second_num)
+"""
+
+# SECOND WAY OF DOING IT
+
+# importing operator module
+import operator
+
+# using add() to add two numbers
+print("The addition of numbers is :", end="")
+print(operator.add(first_num, second_num))
+
+# using sub() to subtract two numbers
+print("The difference of numbers is :", end="")
+print(operator.sub(first_num, second_num))
+
+# using mul() to multiply two numbers
+print("The multiplication of numbers is :", end="")
+print(operator.mul(first_num, second_num))
+
+# using truediv() to divide two numbers
+print("The division of numbers is :", end="")
+print(operator.truediv(first_num, second_num))
+
+# using pow() to find the power of two numbers
+print("The power of numbers is :", end="")
+print(operator.pow(first_num, second_num))
diff --git a/source/week-1/variables/format_strings.py b/source/week-1/variables/format_strings.py
index 6b79588..a6551d3 100644
--- a/source/week-1/variables/format_strings.py
+++ b/source/week-1/variables/format_strings.py
@@ -1,8 +1,21 @@
+# FIRST WAY
+# the capitalize function will return the string with 
+# the first letter uppercase and the rest of the word lowercase
+
+# Ask the user for their first and last name // it does not matter how the user types it:
+# ALEX, alex, aLEX etc. --> it will be saved in the memory as Alex (Fist letter will be with uppercase)
+first_name = input('What is your first name? ').capitalize()
+last_name = input('What is your last name? ').capitalize()
+
+print('Hello ' + first_name + ' ' + last_name)
+
+
+# SECOND WAY
 # Ask the user for their first and last name
 first_name = input('What is your first name? ')
 last_name = input('What is your last name? ')
 
 # the capitalize function will return the string with 
 # the first letter uppercase and the rest of the word lowercase
-print ('Hello ' + first_name.capitalize() + ' ' \
-       + last_name.capitalize())
+print('Hello ' + first_name.capitalize() + ' ' + last_name.capitalize())
+