{"id":59,"date":"2026-03-01T15:38:35","date_gmt":"2026-03-01T10:38:35","guid":{"rendered":"https:\/\/gigz.pk\/python\/?post_type=lesson&p=59"},"modified":"2026-03-13T09:43:44","modified_gmt":"2026-03-13T04:43:44","slug":"for-loop","status":"publish","type":"lesson","link":"https:\/\/gigz.pk\/python\/lesson\/for-loop\/","title":{"rendered":"For Loop"},"content":{"rendered":"\n

A for loop<\/strong> is used to repeat a block of code multiple times.
It is commonly used to iterate over sequences like lists, tuples, strings, dictionaries, and ranges.<\/p>\n\n\n\n

For loops make programs shorter, cleaner, and more efficient.<\/p>\n\n\n\n

SYNTAX OF FOR LOOP<\/strong><\/h1>\n\n\n\n
for variable in sequence:
    # code block<\/pre>\n\n\n\n
The loop runs once for each item in the sequence.<\/p>\n\n\n\n
EXAMPLE 1: LOOP WITH A LIST<\/strong><\/h1>\n\n\n\n
numbers = [1, 2, 3, 4, 5]for num in numbers:
    print(num)<\/pre>\n\n\n\n
The loop prints each number from the list one by one.<\/p>\n\n\n\n
EXAMPLE 2: LOOP WITH A STRING<\/strong><\/h1>\n\n\n\n
text = \"Python\"for letter in text:
    print(letter)<\/pre>\n\n\n\n
The loop prints each character separately.<\/p>\n\n\n\n
USING range() FUNCTION<\/strong><\/h1>\n\n\n\n
The range()<\/code> function generates a sequence of numbers.<\/p>\n\n\n\n
Example 1: Basic range<\/h3>\n\n\n\n
for i in range(5):
    print(i)<\/pre>\n\n\n\n
Output:
0
1
2
3
4<\/p>\n\n\n\n
Example 2: Start and Stop<\/h3>\n\n\n\n
for i in range(1, 6):
    print(i)<\/pre>\n\n\n\n
Output:
1 to 5<\/p>\n\n\n\n
Example 3: Step Value<\/h3>\n\n\n\n
for i in range(1, 10, 2):
    print(i)<\/pre>\n\n\n\n
This prints numbers with a step of 2.<\/p>\n\n\n\n
FOR LOOP WITH IF CONDITION<\/strong><\/h1>\n\n\n\n
for num in range(1, 11):
    if num % 2 == 0:
        print(num)<\/pre>\n\n\n\n
This prints only even numbers between 1 and 10.<\/p>\n\n\n\n
NESTED FOR LOOP<\/strong><\/h1>\n\n\n\n
You can use a loop inside another loop.<\/p>\n\n\n\n
for i in range(3):
    for j in range(2):
        print(\"i =\", i, \"j =\", j)<\/pre>\n\n\n\n
Nested loops are useful for patterns, tables, and matrix operations.<\/p>\n\n\n\n
BREAK AND CONTINUE<\/strong><\/h1>\n\n\n\n
Break Statement<\/h3>\n\n\n\n
Stops the loop completely.<\/p>\n\n\n\n
for i in range(5):
    if i == 3:
        break
    print(i)<\/pre>\n\n\n\n
Continue Statement<\/h3>\n\n\n\n
Skips the current iteration.<\/p>\n\n\n\n
for i in range(5):
    if i == 3:
        continue
    print(i)<\/pre>\n\n\n\n
WHY FOR LOOPS ARE IMPORTANT<\/strong><\/h1>\n\n\n\n
\u2022 Automate repetitive tasks
\u2022 Work with collections of data
\u2022 Build logical programs efficiently
\u2022 Create patterns and tables<\/p>\n\n\n\n
Understanding the for loop<\/strong> is essential for writing powerful and dynamic Python programs.<\/p>\n\n\n
Home<\/a><\/span> \u00bb PYTHON FUNDAMENTALS (PYF) > Control Flow > For Loop<\/span><\/span><\/div>\n\n\n
<\/strong> 
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