1. Convert the input string `str` to lowercase. 2. Split the string into words using delimiter punctuation characters. 3. Capitalize the first letter of each word. 4. Concatenate the capitalized words ...

# 1. Create an empty list to store the result. # 2. Create an empty list to act as a temporary stack. # 3. Iterate through the given list: # a. If the current element is an integer, append it to the ...