Recursion
Process when function calls itself within its own definition/body.
Recursive method calls itself until some terminating condition is met. This is accomplished without any specific repetition construct, such as a while or a for loop.
Base Case: A condition that stops the recursion, preventing infinite loops.
You can think of the base case as a termination condition.
And Recursive Case: The part of the function where it calls itself with a smaller or simpler input.
def open_dolls(n): if n == 1: # Termination condition print("Reached the smallest doll!") return # Action print(f"Opening doll {n}") # Recursive case open_dolls(n - 1)
open_dolls(3) # Try experimenting with Russian dolls!Recursion is commonly used in:
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def measure_tape(n): # An example of recursive method # Base case if n == 0: print("Start of the tape!") return # End execution
# Recursive case measure_tape(n - 1)
# Action print(f"Measuring mark at {n}")
measure_tape(5) # Try experimenting with 5-unit measurement tape!