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python type hints

Innocent Iguana answered on February 5, 2023 Popularity 9/10 Helpfulness 3/10

answer python type hints

related python type hints in function

python type hints

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class Student:
    def __init__(self, name: str, student_id: int, tuition_balance: float) -> None:
        self.name: str = name
        self.student_id: int = student_id
        self.tuition_balance: float = tuition_balance
    def get_course(self, course_id: str) -> Course:
        ...
        return course

# Use Student and Course to type hint
walker: Student = Student("Sarah Walker", 319921, 15000)
data_science: Course = walker.get_course("TDM-20100")

################## Example 2 ################
# Define an agent class with a constructor, add type hints
class Agent:
  def __init__(self, codename: str, missions: int):
    self.codename: str = codename
    self.missions: int  = missions

  # Create the add_mission() method, add type hinting
  def add_mission(self, location: str) -> None:
    self.missions += 1
    print(f"{self.codename} completed a mission in " + \
          f"{location}. This was mission #{self.missions}")
    
# Create an Agent object, add type hints
chuck: Agent = Agent("Charles Carmichael", 37)

# Create a list of locations, add a mission for each
locations: List[str] = ["Burbank", "Paris", "Prague"]
for location in locations:
  chuck.add_mission(location)

Popularity 9/10 Helpfulness 3/10 Language python

Source: Grepper

Tags: hints python

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Contributed on Aug 13 2024

Innocent Iguana

0 Answers Avg Quality 2/10

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def greeting(name: str) -> str:
    return 'Hello ' + name

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: peps.python.org

Tags: hints hint

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Contributed on Feb 05 2023

Confused Cod

0 Answers Avg Quality 2/10

python type hints

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