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Create graph #8

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Create graph #8

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21 changes: 21 additions & 0 deletions graph.py
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Original file line number Diff line number Diff line change
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# importing the required module
import matplotlib.pyplot as plt

# x axis values
x = [1,2,3]
# corresponding y axis values
y = [2,4,1]

# plotting the points
plt.plot(x, y)

# naming the x axis
plt.xlabel('x - axis')
# naming the y axis
plt.ylabel('y - axis')

# giving a title to my graph
plt.title('My first graph!')

# function to show the plot
plt.show()
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medium

The script's code is at the top level of the module. It's a standard Python best practice to encapsulate the script's logic in a function (e.g., main) and call it under a if __name__ == "__main__": block. This has several benefits:

  • Reusability: It allows you to import this file as a module in other scripts without executing the plotting code automatically.
  • Testability: Functions are easier to test in isolation.
  • Clarity: It clearly separates the main logic from function/class definitions.
# importing the required module
import matplotlib.pyplot as plt

def main():
    """Creates and displays a simple line graph."""
    # x axis values
    x = [1,2,3]
    # corresponding y axis values
    y = [2,4,1]

    # plotting the points 
    plt.plot(x, y)

    # naming the x axis
    plt.xlabel('x - axis')
    # naming the y axis
    plt.ylabel('y - axis')

    # giving a title to my graph
    plt.title('My first graph!')

    # function to show the plot
    plt.show()

if __name__ == "__main__":
    main()