if « Statement « Python Tutorial

3.1.1.The if statement is used for conditional execution, and it may include elif and else clauses.
3.1.2.A typical if statement with all three kinds of clauses:
3.1.3.If Statement
3.1.4.using an if-else statement
3.1.5.else Clauses
3.1.6.elif Clauses
3.1.7.Nesting Blocks
3.1.8.Using if statements, relational operators and equality operators to show improper indentation.
3.1.9.Use if statement to compare string