map over arrays in array python code example

Example 1: python loop through array of dictionaries

dataList = [{'a': 1}, {'b': 3}, {'c': 5}]
for index in range(len(dataList)):
    for key in dataList[index]:
        print(dataList[index][key])

Example 2: for with key value over numpy array py

for idx, j in enumerate(theta):
   some_function(idx, j, theta)