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Loops

Execute a block of code repeatedly.

Types of loops

  1. for loop: Iterates over a sequence.
  2. while loop: Executes as long as a condition is True.

For Loop

Syntax

for iterating_variable in iterable_list:
  # block of code you want to loop over and over

Example

for i in range(5):
    print(i)  # Prints 0, 1, 2, 3, 4

While Loop

Syntax

while True:
  # block of code you want to loop over and over

Example

while True:
    if user_input <= 0:
      # prompt again ...