Python While Loops

Python Loops

Python has two primitive loop commands:

With the while loop we can execute a set of statements as long as a condition is true.

i = 1
while i < 6:
print(i)
i += 1

The while loop requires relevant variables to be ready, in this example we need to define an indexing variable, i, which we set to 1.

With the break statement we can stop the loop even if the while condition is true:

i = 1
while i < 6:
  print(i)
if i == 3:
    break
  i += 1

With the continue statement we can stop the current iteration, and continue with the next:

i = 0
while i < 6:
  i += 1
if i == 3:
    continue
  print(i)

With the else statement we can run a block of code once when the condition no longer is true:

i = 1
while i < 6:
print(i)
i += 1
else:
print("i is no longer less than 6")