L = [34,
     "56",
     88,
     2,
     45,
     -345,
     "hi",
     (1, 2),
     ["hi", 3] ]

print("Printing only int's")
for item in L:
    if isinstance(item, int):
        print(item)
    #else:
    #    L.remove(item)
print(L)

# could also do
# for i in range(0, len(L)):
#    if isinstance(L[i], int):
#        print(L[i])
#    else:
#        del L[i]