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35 lines
1.1 KiB
35 lines
1.1 KiB
#!/usr/bin/env python3
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#title :10-2.py
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#description :10.2: User input & exceptions
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#author :Marcel Haazen
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#email :marcel@haazen.xyz
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#date :07-11-2019 - 11:45
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#edit_date :07-11-2019 - 11:54
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#version :0.1
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#usage :python3 10-2.py
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#notes :
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#python_version :3.7.4
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#==============================================================================
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while True:
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try:
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filename = input("Wat is de naam van het bestand? \n")
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assert filename != ""
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filename = filename+".txt"
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file = open(filename, "r")
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n = 0
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i = 0
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li = 0
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for line in file:
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i = i+1
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fields = line.split(",")
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if n < int(fields[0]):
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n = int(fields[0])
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li = li+1
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print("Deze file telt",i,"regels")
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print("Het grootste kaartnummer is:",n,"en dat staat op regel",li+1)
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file.close
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break
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except FileNotFoundError:
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print("Er is geen bestand gevonden met de naam", filename)
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except AssertionError:
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print("Je moet wel een bestands naam invullen he grapjas.")
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