Python: while statement

‘while’ statement executes a block of statements until a particular condition is true

Syntax

while_stmt ::=  "while" expression ":" suite

                           ["else" ":" suite]

‘else’ clause is optional. If the expression evaluates to false, then else clause will execute (if else present), and terminates.

test.py

a=2

print("Even numbers are")
while(a < 10) :
 print (a, end=' ')
 a +=2
else:
 print("\nExit from loop")

print("Done")

$ python3 test.py

Even numbers are

2 4 6 8

Exit from loop
Done

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