python solutions provided:

[mamane19]

• 3Sum
• Product of Array Except Self
• Remove Node From End
• Reverse LinkedList
• Spiral Matrix
• Squares of Sorted Array
• 2Sum
• I also added some few modifications in existing codes saw some errors: Reverse Linked List in Cpp and Spiral Matrix in Java

[mamane19]

• 3Sum
• Product of Array Except Self
• Remove Node From End
• Reverse LinkedList
• Spiral Matrix
• Squares of Sorted Array
• 2Sum

I also added some few modifications in existing codes saw some errors: Reverse Linked List in Cpp and Spiral Matrix in Java