Loops

For loops

servers = ["web01", "web02", "web03"]

for server in servers:
  print("Pinging server:", server)

for char in "SUCCESS":
  print(char)

for idx in range(10):
  print("Pinging server:", idx)

While loops

coonection_attempt = 0
connected = False

while not connected and connection_attempt < max_attempts:
  print(f"Attempting to reach server: {connection_attempt + 1}")

  if connection_attempts == 3
    connected = True

  connection_attempts += 1

if not connected:
  print("Failed to connect after maximum atempts.")

Break and Continue

users = ["guest", "tester", "admin01", "admin02", "dev01"]
found_admin = None

for user in users:
  print(f"Checking user: {user}")
  if user.startswith("admin"):
    found_admin = user
    print(f"Admin user found: {found_admin}. Stopping search.")
    break


for user in users:
  print(f"Checking user: {user}")
  if user.startswith("admin"):
    print(f"Skipping admin user: {user}")
    continue
  print(f"Processing user")

# Double items using a for loop
old_items = [1, 2, 3, 4]
doubled_items = []

for item in old_items:
  doubled_items.append(item * 2)

print(doubled_items)

#Example: Double items using list comprehension
doubled_items_with_comprehension = [item * 2 for item in old_items]
print(doubled_items_with_comprehension)

# Filter with if in list comprehensions
numbers = [1, 5, 10, 8, 15]
even_numbers = [num + 1 for num in numbers if num % 2 == 0]
print(even_numbers)

numbers = [1, 2, 3, 2, 4, 1, 3]
unique_squares = {x * x for x in numbers}
print(unique_squares)

servers = ["web!", "backend"]
server_ips = {server: f"192.168.1{i}" for i, server in enumerate(servers)}
print(server_ips)

servers = ["web", "backend"]
server_ips = {server: f"192.168.1.{i}" for i, server in enumerate(servers)}
print(server_ips)

Conditional Expression (Ternary Operator)