【Python-BUG】module ‘matplotlib‘ has no attribute ‘plot‘

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问题所在

import matplotlib.pyplot as plt
#很容易漏掉pyplot ，直接写成 import matplotlib as plt导致错误

错误写法

import numpy as np
import matplotlib as plt
# 随机漫步
position=0
walk=[position]
steps=1000
for i in range(steps):
    step= 1 if np.random.randint(0,2) else -1
    position+=step
    walk.append(position)
plt.plot(walk)

正确写法

import numpy as np
import matplotlib.pyplot as plt
# 随机漫步
position=0
walk=[position]
steps=1000
for i in range(steps):
    step= 1 if np.random.randint(0,2) else -1
    position+=step
    walk.append(position)
plt.plot(walk)

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