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