Update programming_guide.md (PaddlePaddle#664)

* Update programming_guide.md * Update programming_guide_en.md
wawltor · Mar 1, 2019 · 12cf426 · 12cf426
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diff --git a/doc/fluid/beginners_guide/programming_guide/programming_guide.md b/doc/fluid/beginners_guide/programming_guide/programming_guide.md
@@ -133,8 +133,8 @@ exe.run(fluid.default_startup_program()) #网络参数初始化
 
 #准备数据
 import numpy
-data_1 = input("a=")
-data_2 = input("b=")
+data_1 = int(input("Please enter an integer: a="))
+data_2 = int(input("Please enter an integer: b="))
 x = numpy.array([[data_1]])
 y = numpy.array([[data_2]])
 

diff --git a/doc/fluid/beginners_guide/programming_guide/programming_guide_en.md b/doc/fluid/beginners_guide/programming_guide/programming_guide_en.md
@@ -137,8 +137,8 @@ exe.run(fluid.default_startup_program()) #initialize network parameters
 
 #Prepare data
 import numpy
-data_1 = input("a=")
-data_2 = input("b=")
+data_1 = int(input("Please enter an integer: a="))
+data_2 = int(input("Please enter an integer: b="))
 x = numpy.array([[data_1]])
 y = numpy.array([[data_2]])