For Loop Syntax and Range() Utility

For Loop Syntax in Python

• The syntax of a for loop in Python is: for variable in iterable:
• variable is the name given to the variable that takes on the value of each item in the iterable during each iteration
• iterable is a sequence (such as a string, tuple, or list) or other iterable object

Utility of the range() Function

• The range() function generates a sequence of numbers starting from the first argument, and stopping before the second argument
• It is often used to create a loop that repeats a certain number of times
• The range() function is commonly used with a for loop to iterate over a sequence of numbers

Using range() with a For Loop

• Example: for i in range(1, 6): print(i) will output the numbers 1 through 5
• This is equivalent to a loop that runs 5 times, with the variable i taking on the values 1, 2, 3, 4, and 5 in succession
• The range() function can also be used with a single argument, which specifies the stopping point, and the starting point is assumed to be 0
• Example: for i in range(5): print(i) will output the numbers 0 through 4