Python program that reads the below string:
On the day of an equinox, daytime and nighttime are approximately equal in duration all over the planet 

And performs the following
• Outputs the length of the string
• Outputs the first and last six characters
• Removes the 8th character and prints the rest of the string up to the 20th character
• Prints the first word by adding "going"
• Outputs the numbers of 'a' characters in the string