# Write a Python program to find second largest number in a list # Python program to find second largest# number in a list# list of numbers - length of# list should be at least 2list1 = [10, 20, 4, 45, 99]mx=max(list1[0],list1[1])secondmax=min(list1[0],list1[1])n =len(list1)for i in range(2,n):    if list1[i]>mx:        secondmax=mx        mx=list1[i]    elif list1[i]>secondmax and \        mx != list1[i]:        secondmax=list1[i]print("Second highest number is : ",\      str(secondmax))