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If, Else and Elif Statements

Python uses the basic mathematical logic constructors, such as:

a is equal to b: a == b
a isn't equal to b: a != b
a is greater than b: a > b
a is less than b: a < b
a is greater than or equal to b: a >= b
a is less than or equal to b: a <= b

You can use these logic pieces inside of If, Else or Elif Statements

If Statement

The usage of if checks if the conditions have been fufilled, if so, it executes the code inside of the function.

Example

- Use an `if` statement

a = 50

b = 100

if a < b:

print("A is less than B!")

Else Statement

Else is used when a prior condition hasnt been filled, so it reroutes to the code inside the else function.

Example

- Use an `else` statement

a = 50

b = 100

if a < b:

print("A is less than B!")

else:

print("A is More than B!")

Elif Statement

Elif is written onto the end of an if statement, saying if the first condition hasn't been filled, check this second statement as well.

Example

- Use an `elif` statement

a = 50

b = 100

if a < b:

print("A is less than B!")

elif a == b:

print("A is equal to B!")

else:

print("A is More than B!")