Chapter_3rd.py

# Example 1
print ("Hello World!")

# Example 2
if 5 > 2:
	print("Five is greater than two!")

# Example 3
# This will give an error due to incorrect indentation 
if 5 > 2:
print("Five is greater than two!") # Fix: add 1 tab in the beginning of line.

# Example 4
#This is a comment
print("Hello, World!")


# Example 5
print("Hello, World!") #This is a comment


# Example 7 - comment with short-key - select lines below and press Ctrl+1 buttons.
# This is a comment
# written in
# more than just one line
print("Hello, World!")


# Example 8
# Computer the value of a block of stock
shares= 150
price= 3 + 5.0/8.0
value= shares * price
print("value",value)


# Example 9
# Total value of a portfolio made up of two blocks of stock
portfolio = 0
portfolio += 150 * 2 + 1/4.0
portfolio += 75 * 1 + 7/8.0
print("portfolio", portfolio) 


# Example 10
x, y, z = "Orange", "Banana", "Cherry"
print(x)
print(y)
print(z)

# Output
# Orange
# Banana 
# Cherry

# Example 11
x = y = z = "Orange"
print(x)
print(y)
print(z)

# Output
# Orange
# Orange
# Orange

# Example 12
first_number = 4
second_number = 6
summation = first_number + second_number 
# Output will be 10