Python For Loop 

A for loop in Python is a control flow statement that allows you to iterate over a sequence of elements, such as a list, tuple, or string. For loop body define by indentation (whitespaces 'TAB'). The basic syntax for the for loop is as follows:

for element in sequence:
    # code to be executed for each element in the sequence

Example:

for i in range(1, 11):
    print(i)

In the above example, the range function generates a sequence of numbers from 1 to 10, and the for loop iterates over this sequence, executing the code block for each number.

The else clause in a for loop is optional, and it is executed after the loop terminates, but only if the loop terminates normally (i.e., not because of a break statement). The syntax for the for loop with an else clause is as follows:

for element in sequence:
    # code to be executed for each element in the sequence
else:
    # code to be executed after the loop terminates normally

Here's an example that searches for a number in a list, and prints a message if the number is not found:

numbers = [1, 2, 3, 4, 5]
search_number = 6

for number in numbers:
    if number == search_number:
        print(f"{search_number} found in the list")
        break
else:
    print(f"{search_number} not found in the list")

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