webinar-for-loops-2024-01-06

# 2024 Jan 06
# WEBINAR: For Loops

# We use loops to repeat actions
# a WHILE loop... is an IF that repeats as long as the loop condition remains True

# FOR LOOPS are used for repeating actions for every element in a container (list, dict, tuple, str)

# Basic syntax of a for loop
# for ___ in __someContainer__:

# list
myList = ["Agent Scully", "Agent Mulder", "Walter Skinner", "CSM", "Mr. X"]
for item in myList:
    print(item) # print(item, end="\n")

# tuple
myTuple = ("Gilligan", "Castaway002", "red", "crew")
for item in myTuple:
    print(item)

# string
myString = "It was the best of times."
for char in myString:
    print(char, end="")
print()
# fill the basket pattern
# newList = []
# newString = ""
# for item in myList:
#     if item.startswith("Agent"):
#         #newList.append(item)
#         # newString = newString + item
#         newString += item + " "
# print(newString)

# myDict = {
#     key: value,
#     key: value,
#     key: value
# }
# myDict[key]
# myDict[key] = value
bestOfXF = {
    "1x00": "Pilot",
    "2x10": "Red Museum",
    "2x14": "Die Hand Die Verletzt",
    "3x04": "Clyde Bruckman's Final Repose",
    "3x12": "War of the Coprophages",
    "3x20": "Jose Chung's From Outer Space",
    "4x05": "The Field Where I Died",
    "5x05": "The Post Modern Prometheus",
    "5x17": "All Souls"
}
for key in bestOfXF:
    # print(key) # value for that key is bestOfXF[key]
    # "Check out Episode ___ or '___'"
    print(f"Check out Episode {key} or '{bestOfXF[key]}'")

# looping a known number of times
# RANGE
# range(start, stop, step)
# for n in range(0, 5): # --> [0, 1, 2, 3, 4]
#     print(n)
myList.append("Krycek")
# if I'm interested in index
for i in range(0, len(myList)):
    # print(i)
    # print(myList[i])
    print(f"Position {i} is {myList[i]}")

# or... use enumerate() to get index and value
for i, item in enumerate(myList):
    print(f"Position {i} is still {item}")