1. Description

Code a function capitalize_first_letters, which takes a string as input and capitalize first letter of all the words in input. And,

• When there're multiple consecutive spaces in input, only output one.
• Ignore beginning and trailing spaces in input

2. Input & Output

Input:

• A string
• Use input() as input. Notice that the value you get from input() is a string

Output:

• Use print() for your output

Example

# Input: 
this is the last PC I bought.
# Output: 
This Is The Last PC I Bought.

# Input: 
  one man   must have   a mind   of winter  !
# Output: 
One Man Must Have A Mind Of Winter !