WGU PYTHON D522 STUDY GUIDE WITH 147
QUESTIONS & CORRECT ANSWERS
print(10 > 9)
print(10 == 9)
print (10 < 9)
Boolean
print(bool("Hello"))
print(bool("15"))
print(bool(x))
Boolean examples of True
print(bool(False))
print( )
print(0)
Boolean examples of False
print(isinstance(x, int))
determine if an object is of a certain data type
int( )
casts an integer from an integer literal, float literal, or string literal
float( )
casts a float from an integer literal, a float literal, or a string literal
str( )
casts a string from strings, integer literals, or a float literals
print("text")
outputs text to the console
print("text", end=" ")
print("more text")
will end with a space and continue on the same line ("text more text")
print("Wage", wage)
comma will print both items with a space between them
print(variable)
prints the value of the variable
print("1\n2\n3")
print using newline characters
print( )
print a blank line
python file.py
run a script file
random function
there is no random function, but there is a random module
(import random)
for x in "bananas":
print(x)
strings are arrays, so this will loop through the characters in "bananas"
, variable=input( )
assign text entered by the user to a variable; input is always a string
variable = int(input)
convert user input into an integer
hourly_wage = int(input("Enter hourly wage: "))
display text prompt (Enter hourly wage) to request input from user and convert to
integer
print(a.upper( ))
display a in console in upper case
print(a.lower( ))
display a in console as lower case
print(a.strip( ))
remove whitespace at beginning and end
print(a.replace("H", "J"))
replace a string with another string
print(a.split("b"))
split string at specified character
c=a+b
print(c)
concatenate (combine) two strings
a=(f"My name is John, I am {age}")
print(a)
f-string; { } is the placeholder/modifier
a = 85.8756
b = format(a, ".2f")
print(b)
modifier to format the value to 2 decimal places (85.88)
price = 85.87562649
b = f"Price: ${price:.2f}"
print(b)
f-string with placeholder for price and modifier to format value to 2 decimal places
(Price: $85.88)
What built-in data type is used when you assign text to your variable?
str
x = "Hello, World!"
x = str("Hello, World!")
What built-in data type is used when you assign a numeric value to your variable?
int
x = 20
x = int(20)
float
x = 20.5
x = float(20.5)
complex
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