Python PCEP Functions
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Functions allow code to be reused, modularized, and organized. There are built-in, module, and user-defined functions. User-defined functions are defined using the def statement and consist of a function name followed by parentheses that can contain parameters. The function body is indented below the definition. When a function is called, its code is executed and returns to the caller. Functions allow breaking programs into smaller, reusable pieces of code.
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Python PCEP Functions
- 1. Functions Module 3 Functions, Tuples, Dictionaries, Data processing
- 2. Module 3 Functions Why do we need functions? • to appear in more than one place the first condition • if a piece of code becomes so large the second condition • the product to be implemented as a set of separately the third condition Decomposition
- 3. Module 3 Functions Where do the functions come from? built-in functions pre installed modules directly from your code
- 4. Module 3 Functions Your first function print("Enter a value: ") a = int(input()) print("Enter a value: ") b = int(input()) print("Enter a value: ") c = int(input()) change the message "Please" def function_name(): function_body def message(): print("Enter a value: ")
- 5. Module 3 Functions How functions work 1 def message(): print("Enter a value: ") print("We start here.") message() print("We end here.") print("We start here.") message() print("We end here.") def message(): print("Enter a value: ")
- 6. Module 3 Functions How functions work 2 def message(): print("Enter a value: ") message = 1 def message(): print("Enter a value: ") message() a = int(input()) message() b = int(input()) message() c = int(input())
- 7. Module 3 Functions Key takeaways • is a block of code Function •built-in functions •pre-installed modules •user-defined functions •lambda 4 basic types •def your_function(optional parameters): def