import math
#print(math.sqrt(2))

assert abs(math.sqrt(2) - 1.41421) < 0.001, "math.sqrt works"

def checkWithin(result: float, expected: float, tolerance: float, name: str) -> None:
    assert abs(result - expected) < tolerance, name
    
checkWithin(math.sqrt(2), 1.51421, 0.001, "math.sqrt works")

---------------------------------------------------------------------------
AssertionError                            Traceback (most recent call last)
Input In [36], in <cell line: 4>()
      1 import math
      2 #print(math.sqrt(2))
----> 4 assert abs(math.sqrt(2) - 1.51421) < 0.001
      6 def checkWithin(result: float, expected: float, tolerance: float, name: str) -> None:
      7     assert abs(result - expected) < tolerance, name

AssertionError: 

def hypotenuse(a: float, b: float) -> float:
    return math.sqrt(a**2 + b**2)

print(hypotenuse(4, 5) > 7)

False

def pos(x: float) -> float:
    """
    If x is not zero, return the absolute value of x. Otherwise, return 1.
    """
    if x < 0:
        return -x
    elif x == 0:
        return 1
    else:
        return x
    
print(pos(42))

42

def multiOp(x: float, y: float, op: int) -> float:
    """
    Return "x op y", where the operation is given as a code in "op":
        0: addition
        1: subtraction
        2: multiplication
    """
    print("A")
    assert op >= 0, "No negative operation codes"
    print("B")
    assert op <= 2, "Operation codes go up to 2"
    print("C")
    if op == 0:
        print("D")
        return x + y
    print("E")
    if op == 1:
        print("F")
        return x - y
    print("G")
    return x * y
    print("H")
    
multiOp(1, 2, 2)

A
B
C
E
G

2

x = hypotenuse(4, 5) < 7
if x:
    print("Hello!")

Hello!

def multiOp(x: float, y: float, op: int) -> float:
    """
    Return "x op y", where the operation is given as a code in "op":
        0: addition
        1: subtraction
        2: multiplication
    """
    assert op >= 0, "No negative operation codes"
    assert op <= 2, "Operation codes go up to 2"
    print("A")
    if op < 2:
        print("B")
        # addition or subtraction
        if op == 0:
            print("C")
            return x + y
        else:
            print("D")
            return x - y
        print("E")
    else:
        print("F")
        return x * y
    
multiOp(1, 2, 2)

A
F

2

def multiOp(x: float, y: float, op: int) -> float:
    """
    Return "x op y", where the operation is given as a code in "op":
        0: addition
        1: subtraction
        2: multiplication
    """
    if op >= 0 and op <= 2:
        if op == 0:
            return x + y
        if op == 1:
            return x - y
        return x * y
    else: # op out of range
        return -1
    
multiOp(1, 2, 2)

def multiOp(x: float, y: float, op: int) -> float:
    """
    Return "x op y", where the operation is given as a code in "op":
        0: addition
        1: subtraction
        2: multiplication
    """
    print("A")
    if opInRange(op):
        print("B")
        if op == 0:
            return x + y
            #print(x + y)
        if x == 42:
            return x - y
        return x * y
    else: # op out of range
        print("C")
        return -1
    
def opInRange(op: int) -> bool:
    print("D")
    return op >= 0 and op <= 2
    
multiOp(1, 2, -1)
print(opInRange(-1))

<cell>22: error: Name "op" is not defined  [name-defined]

A
D

---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
Input In [35], in <cell line: 24>()
     21     print("D")
     22     return op >= 0 and op <= 2
---> 24 multiOp(1, 2, -1)
     25 print(opInRange(-1))

Input In [35], in multiOp(x, y, op)
      2 """
      3 Return "x op y", where the operation is given as a code in "op":
      4     0: addition
      5     1: subtraction
      6     2: multiplication
      7 """
      8 print("A")
----> 9 if opInRange(op):
     10     print("B")
     11     if op == 0:

Input In [35], in opInRange(puppy)
     20 def opInRange(puppy: int) -> bool:
     21     print("D")
---> 22     return op >= 0 and op <= 2

NameError: name 'op' is not defined