NBA_01_Namen_und_Namenräume

(c) 2024 Technische Hochschule Augsburg - Fakultät für Informatik - Prof.Dr.Nik Klever - Impressum

Namen und Namensräume

import sys
print(sys.version)

3.5.3 |Anaconda 4.4.0 (64-bit)| (default, Mar  6 2017, 11:58:13) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)]

version = "8.9"

print(version)

8.9

x = "test"
print(x)

test

def f(c):
    x = 8.4
    print(x)
    return c*x

f(2)

8.4

16.8

print(x)

test

def f(c):
    print(x)
    x = 4.1
    print(x)
    return c*x

f(2)

---------------------------------------------------------------------------
UnboundLocalError                         Traceback (most recent call last)
<ipython-input-7-2543beda3f67> in <module>()
      5     return c*x
      6 
----> 7 f(2)

<ipython-input-7-2543beda3f67> in f(c)
      1 def f(c):
----> 2     print(x)
      3     x = 4.1
      4     print(x)
      5     return c*x

UnboundLocalError: local variable 'x' referenced before assignment

def f(c):
    print(x)
    return c*x

f(2)

test

'testtest'

def f(c):
    global x
    print(x)
    x = 4.1
    print(x)
    return c*x

print(x)
f(2)
print(x)

test
test
4.1
4.1

x = "test"

def f(c,x):
    print(x)
    x = 4.1
    print(x)
    return (c*x,x)

print(x)
(erg,x) = f(2,x)
print(x)

test
test
4.1
4.1