# Write a Python program to Check if two lists have at-least one element common 
 # Python program to check 
# if two lists have at-least 
# one element common
# using traversal of list
  
def common_data(list1, list2):
    result = False
  
    # traverse in the 1st list
    for x in list1:
  
        # traverse in the 2nd list
        for y in list2:
    
            # if one common
            if x == y:
                result = True
                return result 
                  
    return result
      
# driver code
a = [1, 2, 3, 4, 5]
b = [5, 6, 7, 8, 9]
print(common_data(a, b))
  
a = [1, 2, 3, 4, 5]
b = [6, 7, 8, 9]
print(common_data(a, b))