CODE IN PYTHON
1. Write a program that asks the user for the number of slicesof pizza they want to order and displays the total number of dollarbills they owe given pizza costs 3 dollars aslice.  Note: You may print the value aninteger value.
2. Assume that y,a and b havealready been defined, display the value of x:
x =  ya+b  Â
3. The variable start_teesrefers to the number of UD T-shirts at the start of New StudentOrientation (NSO) and dist_tees refers tothe number of UD T-shirts distributed to students at NSO. Write anexpression that calculates the total number of UD T-shirts leftafter NSO and assign it to the variableend_tees.
Note: you should NOT assign values tostart_tees anddist_tees! It will be assigned beforeyour code is run!
4. Write a program that asks the user for the number of slicesof pizza they want to order and displays the total number of dollarbills they owe given pizza costs 3 dollars aslice.  Note: You may print the value aninteger value.