Loop Control Structures

• Infinte Loops
• Break
• Continue

Infinte Loops

• common programming idiom
• infinite Loop that executes forever
• Example: While loop set to True

while True:
    codeblock

Break

• exits a loop
• Example: to exit an infinite loop
• works for either a for - or a while loop
• used in conjunction with a conditional statement
  • if True, exit loop and go back to main flow
  • if False, remain in loop

if boolean_exp:
    break

string = "apple,banana,orange"

# Splitting the string using comma as separator
result = string.split(',')

print(result)  # Output: ['apple', 'banana', 'orange']

while True:
    s = input("Enter a sentence: ")
    if len(s) == 0:
        break
    words = s.split()
    #If no separator is provided to the split(), it splits the string based on whitespace characters by default.
    print(f"{len(words)} words")
    print("done")

Continue

• Skips to the next iteration without leaving the loop
• used in conjunction with a conditional statement
  • if True, go back to the top of the loop codeblock
  • If False,

if boolean_exp:
    continue

while True:
    s = input("Enter a sentence: ")
    if len(s) == 0:
        continue
    words = s.split(
        print(f"{len(words)} words")
    print("done")
    )

• now I have to hit Control C to exit the infinite loop.