Table of Contents

String Operations

Split String by Character

my_string = "Python"
tokens = list(my_string)
print("String tokens are: ", tokens)

String tokens are: [‘P’, ‘y’, ‘t’, ‘h’, ‘o’, ‘n’]

List Operations

Sorting elements in a list

prime_numbers = [11, 3, 7, 5, 2]

# sorting the list in ascending order
prime_numbers.sort()

print(prime_numbers)

# Output: [2, 3, 5, 7, 11]

Reversing elements in a list

# create a list of prime numbers
prime_numbers = [2, 3, 5, 7]

# reverse the order of list elements
prime_numbers.reverse()

print('Reversed List:', prime_numbers)

# Output: Reversed List: [7, 5, 3, 2]

Need index in an array

for i, element in enumerate(array):
    print("working with index", i)
    do_something(element)

Dictionary operations

How to declare a dictionary (Reference)

thisdict = {
  "brand": "Ford",
  "model": "Mustang",
  "year": 1964
}