range to generate a sequence of numbers and then converting that to a list.
listName[index] returns value stored at that index.
0 and len(listName)-1, inclusive, or a negative value; otherwise an IndexError exception occurs at runtime.
listName[startIndex:endIndex] returns a new list containing the elements from startIndex to endIndex-1 (inclusive)
startIndex starts from the beginning of the list, and omitting endIndex goes to the end of the list
append method to add the new value to the end of the list. Note that you do not use an assignment statement, it is just a method call.
insert method to add the new value at the specified index. Note that you do not use an assignment statement, it is just a method call.
collection_name.insert(index, new_value) - add a new element at the specified index in the list.
for loop:
for var_name in collection_name - traverses collection_name from first element to last element storing a copy of each element from collection_name in var_name for each iteration of the loop.
for i in range(len(collection_name)) - traverses collection_name from first element to last element storing the index of each element in i for each iteration of the loop.
i as index into list, or var_name as value of list element
alpha = [10, 20, 30, 40, 50]
beta = alpha.copy()
beta.append(42)
alpha = beta
target = # some value
delta = [10, 20, 30, 40, 50, 60, 70, 80, 90]
found = False
i = 0
while i < len(delta) and not found:
if delta[i] == target:
found = True
else:
i += 1
if found:
delta.pop(i)
delta.append(-999)
alpha = [10, 20, 30, 40, 50]
beta = [99]
beta.extend(alpha)
alpha = beta
pos = # some value
rho = [10, 20, 30, 40, 50, 60, 70, 80, 90]
rho.pop(pos)
rho.append(-999)
alpha = [10, 20, 30, 40, 50]
gamma = alpha.copy()
gamma.insert(len(gamma) // 2, 11)
alpha = gamma
