Previous: Simple Python Programs

• Statement: A statement represents an action or a sequence of actions.

The statement print("Welcome to Python") in the program is a statement to display the greeting "Welcome to Python“

# Display two messages
print("Welcome to Python") # Statement (Action)
print("Python is fun") # Statement (Action)

• Indentation: The indentation matters in Python.

The following figure is a block structure visualizing indentation.

Note that the statements are entered from the first column in the new line. It would cause an error if the program is typed as follows:

The following code would raise an error because the statements are in wrong indentations.

# Display two messages
 print("Welcome to Python")
print("Python is fun") 

• Caution: Don’t put any punctuation at the end of a statement.

For example, the Python interpreter will report errors for the following code:

print("Welcome to Python").
print("Python is fun").

However, Python sill accepts semicolon ; at the end of a statement.

# Display two messages
print("Welcome to Python");
print("Python is fun");