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Python: Make code testable

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Avoid executing code on module level as this prevents importing the
module for testing. Especially infinite loops are evil.
This commit is contained in:
Martin Thoma
2022-03-19 09:54:52 +01:00
parent f40a1fc465
commit 8495e59a8f
23 changed files with 1049 additions and 973 deletions
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31
87_3-D_Plot/python/3dplot.py
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@@ -11,18 +11,23 @@ def equation(x: float) -> float:
return 30 * exp(-x * x / 100)
print(" " * 32 + "3D PLOT")
print(" " * 15 + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n\n\n\n")
def main():
print(" " * 32 + "3D PLOT")
print(" " * 15 + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n\n\n\n")
for x in range(-300, 315, 15):
x1 = x / 10
max_column = 0
y1 = 5 * floor(sqrt(900 - x1 * x1) / 5)
y_plot = [" "] * 80
for x in range(-300, 315, 15):
x1 = x / 10
max_column = 0
y1 = 5 * floor(sqrt(900 - x1 * x1) / 5)
y_plot = [" "] * 80
for y in range(y1, -(y1 + 5), -5):
column = floor(25 + equation(sqrt(x1 * x1 + y * y)) - 0.7 * y)
if column > max_column:
max_column = column
y_plot[column] = "*"
print("".join(y_plot))
for y in range(y1, -(y1 + 5), -5):
column = floor(25 + equation(sqrt(x1 * x1 + y * y)) - 0.7 * y)
if column > max_column:
max_column = column
y_plot[column] = "*"
print("".join(y_plot))
if __name__ == "__main__":
main()