Python While Loops
Python Tutorial » Python While Loops
while loop is used to iterate over a block of code as long as expression or condition is true.
hile loop execute a set of statements as long as a condition is true.
Example: while loop - print i as long as i is less than 8
Output:
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i = 1
while i <= 8:
print(i)
i += 1
while i <= 8:
print(i)
i += 1
Output:
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7
8
While loop with else - example
Same as with for loops, while loops can also have an optional else block.
Example:
We have inside loop
We have inside loop
We have inside loop
Inside else
counter = 4
while counter < 7:
print("We have inside loop")
counter = counter + 1
else:
print("Inside else")
Output: while counter < 7:
print("We have inside loop")
counter = counter + 1
else:
print("Inside else")
We have inside loop
We have inside loop
We have inside loop
Inside else
break Statement - example
break statement stop the loop even if the while condition is true:
Example:
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i = 1
while i < 12:
print(i)
if (i == 8):
break
i += 1
Output:while i < 12:
print(i)
if (i == 8):
break
i += 1
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continue Statement
continue statement stop the current iteration, and continue with the next:
Example: continue statement
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i = 2
while i < 7:
i += 1
if i == 4:
continue
print(i)
Output:while i < 7:
i += 1
if i == 4:
continue
print(i)
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7
python while : loop, true, else, true loop, break, loops, loop break, exercices, not, false.
python while loop : break, exercices, timeout, increment, multiple conditions, for range, without body, example programs
Python While Loops - python
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