This Python String Methods lesson is for a beginner. Read the short notes, run each example, then change one name or number and run it again.
split, join, strip, replace, upper, lower, startswith, endswith, find, and count cover most text work.
isdigit is true only when every character is a digit.
Example 1: Start here
Methods return a new string. They do not edit the old one.
print(" py ".strip().upper()) # a new string in capitals
print("82".isdigit())
print("a,b".split(",")) # split breaks the text into pieces
Example 2: Store the idea in a name
Python String Methods begins with a value you can point at. The name topic holds that text.
topic = "Python String Methods" # text
print(topic)
Example 3: Check it with if
An if chooses one branch. Change the score and run it again to see the other message.
score = 8 # a whole number
if score >= 80: # run the indented lines only when this is true
print("Pass")
else: # runs when the test above was false
print("Try again")
Example 4: Repeat with a loop
A for loop runs the indented line once per step. The numbers 1, 2, and 3 are printed on their own lines.
for step in range(1, 4): # repeat once per number; range stops before the last
print("Step", step) # a comma prints each value, with a space between
Methods return a new string. They do not edit the old one.
