Active 1 year, 9 months ago. This provides us with the index of each item in our colors list, which is the same way that C-style for loops work. It is an efficient multidimensional iterator object using which it is possible to iterate over an array. While using W3Schools, you agree to have read and accepted our. If two arrays are broadcastable, a combined nditer object is able to iterate upon them concurrently. The array is of integer type with five elements: num_arr=array(‘b’,[10,20,30,40,50]) After that, a for loop is used to iterate through the array items as shown in the example below: Python Program. There is another interesting way to loop through the DataFrame, which is to use the python zip function. 1. enumerate() function The pythonic solution to loop through the index of a list is using the built-in function enumerate().The function was introduced in Python 2.3 to specifically solve the loop counter problem. As a Python coder, you’ll often be in situations where you’ll need to iterate through a dictionary in Python, while you perform some actions on its key-value pairs. STEP 3: The inner loop will be used to compare the selected element from the outer loop with the rest of the elements of the array. How to Iterate Through a Dictionary in Python: The Basics. The iterator object nditer, introduced in NumPy 1.6, provides many flexible ways to visit all the elements of one or more arrays in a systematic fashion. In the following example, one-dimensional arrays corresponding to each column is traversed by the iterator. Iteration 1: In the first iteration, 0 is assigned to x and print(“python is easy”) statement is executed. It is possible to force nditer object to use a specific order by explicitly mentioning it. It is an efficient multidimensional iterator object using which it is possible to iterate over an array. If we iterate on a 1-D array it will go through each element one by one. Like other programming languages, for loops in Python are a little different in the sense that they work more like an iterator and less like a for keyword. an array of arrays within an array. In this post, we will see how to loop through a list with index in Python. I have the following data taken from an API. Note Count must loop through all elements. In Python, there is not C like syntax for(i=0; i