Write a function countChar(text) that given a string text, the function returns a dictionary of characters and their counts used in text. You need to count only characters 'a' to 'z', all upper characters should be treated as lower characters ('A' should be counted as 'a'). For example for the function call: countChar('Hello World'). returns: {'h': 1, 'e': 1, '1': 3, 'o': 2, 'w': 1, 'r': 1, 'd': 1} 1 def countChar (text): 2 495AWN 3 Save & Run 7 # write your code here Load History 5 # testing 6 print (countChar('Hello World')) Show CodeLens