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Functions

	// code
}

Return values

func funcName(parameterName datatype) output-data-type {
	// code
}

• functions can return data as a result
• You have to specify input & output parameters (including type)
• functions can return multiple values

Scopes

Local level variables

• Declared within functions: can be used only within the function
• Declared within block: can be used only within that block
  • (ex) for, if-else

Package level variables

• defined at top outside all functions
• can be accessed inside any functions of the same package
• can only be defined through syntax: var varname = value

Global level variables

• shared across packages
• first letter capitalized