Page 130 - Plus_V2.2_C7_Flipbook
P. 130
The if Statement
The if statement is the simplest conditional statement. Here, a statement or a collection of statements
within the if block is executed only if a certain condition or expression evaluates to True. If the condition
evaluates to False, then the control of execution is passed to the next statement after the if block. The
syntax of the if statement is given below:
Syntax:
False
if (Test Expression): Test Expression
Indented statement block
# if block ends here True
Body of if
Tech Fact
In Python, the non-zero value is interpreted as true.
None and 0 are interpreted as false. Statement just below if
Program 1: To check whether a given number is positive.
On running the above program, we get the following output:
Tech Fact
In python, the default value of
boolean is 'True'.
128 Premium Edition-VII

