x=1 while x < 13: for i in range(15): x += 1 if x==10: continue print(i,x) else: print("while never run") print("--------------------") y=1 while y < 13: for j in range(15): y += 1 if y==10: continue if y>=12: break print(j,y) else: print("while never run") print("--------------------") z=1 while z < 13: for k in range(15): z += 1 if z==10: continue if z==12: break print(k,z) else: print("while never run")