For i in Range Python Example

Python program that uses a for loop with the range function:

# Example 3: Loop from 2 to 10 (exclusive) with a step of 3
for i in range(2, 10, 3):
    print(i)Code language: Python (python)

Output:

# 2
# 5
# 8Code language: Python (python)

In this example, we used range(2, 10, 3), which starts from 2 and goes up to (but does not include) 10, with a step of 3. The loop will iterate three times, printing the values 2, 5, and 8.

What does 1 for i in range ()) mean in Python?

In Python, the expression 1 for i in range() is a syntax error because it is not a valid construct. The for loop in Python is used to iterate over a sequence of elements, and it expects a valid iterable object to iterate over.

The correct syntax for a for loop in Python is as follows:

for variable in iterable:
    # Code block executed for each iterationCode language: Python (python)

In this syntax:

• variable is a name that represents the current element in each iteration. It takes on the values of the elements in the iterable.
• iterable is an object that provides a sequence of elements for iteration, such as a list, tuple, string, or a range object.

Here’s an example of a valid for loop that prints the numbers from 1 to 5:

for variable in iterable:
    # Code block executed for each iterationCode language: Python (python)

In this syntax:

• variable is a name that represents the current element in each iteration. It takes on the values of the elements in the iterable.
• iterable is an object that provides a sequence of elements for iteration, such as a list, tuple, string, or a range object.

Here’s an example of a valid for loop that prints the numbers from 1 to 5:

for i in range(1, 6):
    print(i)Code language: Python (python)

Output:

1
2
3
4
5Code language: Python (python)

In this example, range(1, 6) generates a sequence of numbers starting from 1 and ending at 5 (inclusive). The loop iterates over this sequence, and the variable i takes on the values from the sequence in each iteration. The print(i) statement displays the current value of i.

What are the 3 parameters for i in range Python?

In Python, the range() function can accept up to three parameters. Here’s the general syntax:

range(start, stop, step)Code language: Python (python)

The three parameters are as follows:

• start (optional): It specifies the starting value of the range. If omitted, it defaults to 0.
• stop: It specifies the ending value of the range. The range will generate values up to, but not including, this value.
• step (optional): It specifies the step or increment between values in the range. If omitted, it defaults to 1.

Here are a few examples that demonstrate the usage of these parameters:

Example 1: Generating numbers from 0 to 4

for i in range(5):
    print(i)Code language: Python (python)

Output:

0
1
2
3
4Code language: Python (python)

Example 2: Generating even numbers from 0 to 10

for i in range(0, 11, 2):
    print(i)Code language: Python (python)

Output:

0
2
4
6
8
10Code language: Python (python)

Example 3: Generating numbers in reverse order from 10 to 1

for i in range(10, 0, -1):
    print(i)Code language: Python (python)

Output:

10
9
8
7
6
5
4
3
2
1Code language: Python (python)

Note that the start and step parameters are optional, and if not provided, they take on their default values. The stop parameter, however, is required for the range() function to work.

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