Break, Continue and Pass in Python.pdf

break, continue and pass in
Python

Python break statement
● The break is a keyword in python which is used to bring the program control
out of the loop.
● The break statement breaks the loops one by one, i.e., in the case of nested
loops, it breaks the inner loop first and then proceeds to outer loops.

Python break statement
# Use of break statement inside the loop
for val in "string":
if val == "i":
break
print(val)

Python continue statement
The continue statement is used to skip the rest of the code inside a loop for the
current iteration only.
Loop does not terminate but continues on with the next iteration.

Python continue statement
# Program to show the use of continue statement inside loops
for val in "string":
if val == "i":
continue
print(val)

Python pass statement
● In Python programming, the pass statement is a null statement.
● The difference between a comment and a pass statement in Python is that
while the interpreter ignores a comment entirely, pass is not ignored.
● However, nothing happens when the pass is executed. It results in no
operation (NOP).

We generally use it as a placeholder.
Suppose we have a loop or a function that is not implemented yet, but we want to
implement it in the future.
They cannot have an empty body.
The interpreter would give an error.
So, we use the pass statement to construct a body that does nothing.

'''pass is just a placeholder for
functionality to be added later.'''
sequence = {'p', 'a', 's', 's'}
for val in sequence:
pass

We can do the same thing in an empty function or class as well.
#Empty function
def function(args):
Pass
#Class
class Example:
pass

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