100 lines
1.7 KiB
Python
100 lines
1.7 KiB
Python
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# %% [markdown]
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# # Dateien
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# %%
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fp = open("../uebungen/salaries.txt", encoding="utf-8")
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content = fp.read()
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print(type(content))
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# %%
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fp = open("../uebungen/salaries.txt", "rb")
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content = fp.read()
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print(type(content))
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text = content.decode("utf-8")
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print(type(text))
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# %%
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fp = open("../uebungen/salaries.txt", mode="r")
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line = fp.readline()
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print(repr(line))
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# %%
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fp = open("../uebungen/salaries.txt", mode="r", encoding="utf-8")
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while True:
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line = fp.readline()
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if not line:
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break
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print(line, end="")
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# %%
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fp = open("../uebungen/salaries.txt", mode="r", encoding="utf-8")
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lines = fp.readlines()
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print(type(lines))
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print(lines)
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# %%
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fp = open("../uebungen/salaries.txt", mode="r", encoding="utf-8")
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for line in fp:
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print(line, end="")
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# %%
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fp = open("../uebungen/salaries.txt", mode="r", encoding="utf-8")
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for line in fp:
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print(line, end="")
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fp.close()
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# %%
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lines = open("../uebungen/salaries.txt", encoding="utf-8").readlines()
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# %%
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with open("../uebungen/salaries.txt") as fp:
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for line in fp:
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print(line, end="")
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# %%
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# Pseudo Code! Nicht ausführbar
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fp = open("../uebungen/salaries.txt")
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ctx = new_context(fp)
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fp.open_context(ctx)
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# code block
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fp.end_context(ctx)
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# %%
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# Pseudo Code! Nicht ausführbar
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try:
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fp = open("datei")
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except FileNotFoundError:
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# code
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except OSError:
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# code
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# %%
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import json
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data = json.loads("[1, 2, 3]")
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print(data)
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d1 = {"foo": 42, "bar": 23}
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print(json.dumps(d1))
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d2 = {"foo": 42, "bar": 23, "baz": [1, 2, 3]}
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print(json.dumps(d2))
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l = [d1, d2]
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print(json.dumps(l))
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# %%
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data = {"foo": 42, "bar": 23, "baz": [1, 2, 3]}
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with open("data.json", "w") as fp:
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json.dump(data, fp)
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# %%
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with open("data.json") as fp:
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data2 = json.load(fp)
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assert data == data2, "Not equal"
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