teil11

teil11 Upload

create_datetime.py

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+from datetime import datetime
+
+datum = datetime.strptime('12.12.2002 05:45', '%d.%m.%Y %M:%H')
+
+print(datum)
+

currentdate.py

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+from datetime import datetime
+
+heute = datetime.now()
+
+print(type(heute))
+print(heute)
+print(heute.time())
+print(heute.date())
+

formatted_date.py

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+from datetime import datetime
+
+heute = datetime.now()
+
+print(type(heute))
+print(heute.strftime('%c %X'))
+print(heute.time().strftime('%X'))
+print(heute.date().strftime('%x'))
+print(heute.strftime('%d.%m.%y %H:%M'))
+

zeitmessung.py

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+from timeit import default_timer as timer
+import time
+
+def calc_square(numbers, verbose=False):
+  for n in range(1,numbers):
+    q= n*n
+    if verbose:
+      print(f'\n{n} ^ 2 = {q}')
+    time.sleep(0.1)
+
+def calc_cube(numbers,verbose=False):
+  for n in range(1,numbers):
+    k = n*n*n
+    if verbose:
+      print(f'\n{n} ^ 3 = {k}')
+    time.sleep(0.1)
+
+start = timer()
+
+calc_square(100,True)
+calc_cube(100,True)
+
+ende = timer()
+differenz = ende - start
+print(f'Zeit mit print():{differenz}s')
+
+start = timer()
+
+calc_square(100)
+calc_cube(100)
+
+ende = timer()
+differenz = ende - start
+print(f'Zeit ohne print():{differenz}s')