#16 Python Tutorial for Beginners | while loop in Python

Publicado em: 13 Março 2020
no canal de: Daneyal Lari

286

In this video, you will learn while loop.

While loop in Python:
The while statement allows us to repeatedly execute a block of statements as long as a condition is true.

Syntax:
while test_expression:
statements

In the while loop, test expression is checked first. If test_expression evaluates True, then the statements within the body of the loop execute. After one iteration, the test expression is checked again. This process will continues until the test_expression evaluates to False.

While loop with else:
Python supports to have an else statement associated with a loop statement.
If the else statement is used with a while loop, the else statement is executed when the condition becomes false.
The while loop can be terminated with a break statement. In such a case, the else part is ignored. Hence, a while loop's else part runs if no break occurs and the condition is false.

while test_expression:
statement(s)
else:
statement(s)

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