How to Perform Iterations Based on Conditions in Python
In programming, a loop
is used to perform the same task repeatedly.
Loops iterate over a series of items like lists, tuples, or strings, performing the same task for each item.
These lists, tuples, strings, etc., are referred to as sequences
, and each item in a sequence is called an element
.
Structure of a for Loop
A for loop starts with the for
keyword and specifies the variable
that represents each item to be repeated and the sequence
to be iterated over as follows:
for element in sequence: code_to_repeat
Each item in the sequence is sequentially assigned to the variable element
, and the code_to_repeat
is executed.
In loops, a colon (:
) must follow the sequence, and the code_to_repeat
must be indented.
The following for loop example assigns each element of the numbers
list, a sequence of numbers, to the n
variable in turn and prints n
.
numbers = [1, 2, 3, 4, 5] # Assign each element of the numbers list to the variable n in turn for n in numbers: print(n) # Print the variable n # 1, 2, 3, 4, 5 will be printed on separate lines
What is the correct syntax for iterating over each element in a list using a for loop in Python?
for element in list
for list in element
for element in list:
for list in element:
Guidelines
AI Tutor
Publish
Design
Upload
Notes
Favorites
Help
Code Editor
Execution Result