text: 
  
  # ### ADD LIST ITEMS
  a=[[1,2,3,4,5,6],[4],3,[2,3,1],7,9]
  ab=[]
  b=0
  for i in a:
      if type(a)==type(i):
          for j in i:
              ab.append(j)
  	        # b+=j
      else:
  	    b+=i
  print(ab,'\n')
  
  
  
  
  # ### ODD PRIME EVEN
  n=[663,377,9,83,36,23,91,87,74,74,93,29,484,849,84,54,958,53674]
  print('\nmain list => ',n,'\n')
  a=[]
  b=[]
  c=[]
  for i in n:
      if i%2!=0:
          a.append(i)
          for j in range(2,i):
              if i%j==0:
                  break
              elif i==j+1:
                  b.append(i)
      else:
          c.append(i)
  print("\nODD:-",a)
  print("\nPRIME:-",b)
  print("\nEVEN:-",c,'\n')
  
  
  
  ### TABLES
  num=int(input("En a number:-"))
  t=[]
  for i in range(1,num+1):
      t.append(i)
      n=[]
      for j in range(1,11):
          n.append(i*j)
      t.append(n)
  print("LIST OF TABLES UPTO",num,"IS:-",t)
  print()
  
  
  
  # # ### LOGIC
  user_name=input("Enter your name => ")
  letter=input("Enter a alphanumeric letter do you want add => ")
  v=0
  ab=""
  for i in user_name:
      if v==len(user_name):
          ab+=i
      else:
          ab+=i+letter
      v+=1
  print(ab)
  print()
  
  
  
  