Complete the solution() function that receives two lists of a binary classification problem: true and predicted labels. The function should print the classification report for these labels.
Example input:
true_labels = ['apple', 'banana', 'apple', 'apple', 'apple', 'apple', 'apple', 'apple']
predicted_labels = ['banana', 'banana', 'banana', 'apple', 'banana', 'apple', 'apple', 'apple']